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<div class="header">
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<div class="title">fftools_ffmpeg_hw.c</div>  </div>
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<div class="contents">
<a href="../../d1/dba/fftools__ffmpeg__hw_8c.html">Go to the documentation of this file.</a><div class="fragment"><div class="line"><a name="l00001"></a><span class="lineno">    1</span>&#160;<span class="comment">/*</span></div>
<div class="line"><a name="l00002"></a><span class="lineno">    2</span>&#160;<span class="comment"> * This file is part of FFmpeg.</span></div>
<div class="line"><a name="l00003"></a><span class="lineno">    3</span>&#160;<span class="comment"> *</span></div>
<div class="line"><a name="l00004"></a><span class="lineno">    4</span>&#160;<span class="comment"> * FFmpeg is free software; you can redistribute it and/or</span></div>
<div class="line"><a name="l00005"></a><span class="lineno">    5</span>&#160;<span class="comment"> * modify it under the terms of the GNU Lesser General Public</span></div>
<div class="line"><a name="l00006"></a><span class="lineno">    6</span>&#160;<span class="comment"> * License as published by the Free Software Foundation; either</span></div>
<div class="line"><a name="l00007"></a><span class="lineno">    7</span>&#160;<span class="comment"> * version 2.1 of the License, or (at your option) any later version.</span></div>
<div class="line"><a name="l00008"></a><span class="lineno">    8</span>&#160;<span class="comment"> *</span></div>
<div class="line"><a name="l00009"></a><span class="lineno">    9</span>&#160;<span class="comment"> * FFmpeg is distributed in the hope that it will be useful,</span></div>
<div class="line"><a name="l00010"></a><span class="lineno">   10</span>&#160;<span class="comment"> * but WITHOUT ANY WARRANTY; without even the implied warranty of</span></div>
<div class="line"><a name="l00011"></a><span class="lineno">   11</span>&#160;<span class="comment"> * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU</span></div>
<div class="line"><a name="l00012"></a><span class="lineno">   12</span>&#160;<span class="comment"> * Lesser General Public License for more details.</span></div>
<div class="line"><a name="l00013"></a><span class="lineno">   13</span>&#160;<span class="comment"> *</span></div>
<div class="line"><a name="l00014"></a><span class="lineno">   14</span>&#160;<span class="comment"> * You should have received a copy of the GNU Lesser General Public</span></div>
<div class="line"><a name="l00015"></a><span class="lineno">   15</span>&#160;<span class="comment"> * License along with FFmpeg; if not, write to the Free Software</span></div>
<div class="line"><a name="l00016"></a><span class="lineno">   16</span>&#160;<span class="comment"> * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA</span></div>
<div class="line"><a name="l00017"></a><span class="lineno">   17</span>&#160;<span class="comment"> */</span></div>
<div class="line"><a name="l00018"></a><span class="lineno">   18</span>&#160; </div>
<div class="line"><a name="l00019"></a><span class="lineno">   19</span>&#160;<span class="comment">/*</span></div>
<div class="line"><a name="l00020"></a><span class="lineno">   20</span>&#160;<span class="comment"> * CHANGES 12.2019</span></div>
<div class="line"><a name="l00021"></a><span class="lineno">   21</span>&#160;<span class="comment"> * - Concurrent execution support</span></div>
<div class="line"><a name="l00022"></a><span class="lineno">   22</span>&#160;<span class="comment"> *</span></div>
<div class="line"><a name="l00023"></a><span class="lineno">   23</span>&#160;<span class="comment"> * CHANGES 08.2018</span></div>
<div class="line"><a name="l00024"></a><span class="lineno">   24</span>&#160;<span class="comment"> * --------------------------------------------------------</span></div>
<div class="line"><a name="l00025"></a><span class="lineno">   25</span>&#160;<span class="comment"> * - fftools_ prefix added to file name and parent header</span></div>
<div class="line"><a name="l00026"></a><span class="lineno">   26</span>&#160;<span class="comment"> */</span></div>
<div class="line"><a name="l00027"></a><span class="lineno">   27</span>&#160; </div>
<div class="line"><a name="l00028"></a><span class="lineno">   28</span>&#160;<span class="preprocessor">#include &lt;string.h&gt;</span></div>
<div class="line"><a name="l00029"></a><span class="lineno">   29</span>&#160; </div>
<div class="line"><a name="l00030"></a><span class="lineno">   30</span>&#160;<span class="preprocessor">#include &quot;libavutil/avstring.h&quot;</span></div>
<div class="line"><a name="l00031"></a><span class="lineno">   31</span>&#160;<span class="preprocessor">#include &quot;libavutil/pixdesc.h&quot;</span></div>
<div class="line"><a name="l00032"></a><span class="lineno">   32</span>&#160;<span class="preprocessor">#include &quot;libavfilter/buffersink.h&quot;</span></div>
<div class="line"><a name="l00033"></a><span class="lineno">   33</span>&#160; </div>
<div class="line"><a name="l00034"></a><span class="lineno">   34</span>&#160;<span class="preprocessor">#include &quot;<a class="code" href="../../d7/db3/fftools__ffmpeg_8h.html">fftools_ffmpeg.h</a>&quot;</span></div>
<div class="line"><a name="l00035"></a><span class="lineno">   35</span>&#160; </div>
<div class="line"><a name="l00036"></a><span class="lineno"><a class="line" href="../../d1/dba/fftools__ffmpeg__hw_8c.html#acea1bac2a399307791945b15467b1f75">   36</a></span>&#160;__thread <span class="keywordtype">int</span> <a class="code" href="../../d1/dba/fftools__ffmpeg__hw_8c.html#acea1bac2a399307791945b15467b1f75">nb_hw_devices</a>;</div>
<div class="line"><a name="l00037"></a><span class="lineno"><a class="line" href="../../d1/dba/fftools__ffmpeg__hw_8c.html#ad66ab6371d9721a18af13707d8b2735c">   37</a></span>&#160;__thread <a class="code" href="../../de/dc7/struct_h_w_device.html">HWDevice</a> **<a class="code" href="../../d1/dba/fftools__ffmpeg__hw_8c.html#ad66ab6371d9721a18af13707d8b2735c">hw_devices</a>;</div>
<div class="line"><a name="l00038"></a><span class="lineno">   38</span>&#160; </div>
<div class="line"><a name="l00039"></a><span class="lineno"><a class="line" href="../../d1/dba/fftools__ffmpeg__hw_8c.html#ae9e48d5142d26822d8e0c5170248df02">   39</a></span>&#160;<span class="keyword">static</span> <a class="code" href="../../de/dc7/struct_h_w_device.html">HWDevice</a> *<a class="code" href="../../d1/dba/fftools__ffmpeg__hw_8c.html#ae9e48d5142d26822d8e0c5170248df02">hw_device_get_by_type</a>(<span class="keyword">enum</span> AVHWDeviceType type)</div>
<div class="line"><a name="l00040"></a><span class="lineno">   40</span>&#160;{</div>
<div class="line"><a name="l00041"></a><span class="lineno">   41</span>&#160;    <a class="code" href="../../de/dc7/struct_h_w_device.html">HWDevice</a> *found = NULL;</div>
<div class="line"><a name="l00042"></a><span class="lineno">   42</span>&#160;    <span class="keywordtype">int</span> i;</div>
<div class="line"><a name="l00043"></a><span class="lineno">   43</span>&#160;    <span class="keywordflow">for</span> (i = 0; i &lt; <a class="code" href="../../d1/dba/fftools__ffmpeg__hw_8c.html#acea1bac2a399307791945b15467b1f75">nb_hw_devices</a>; i++) {</div>
<div class="line"><a name="l00044"></a><span class="lineno">   44</span>&#160;        <span class="keywordflow">if</span> (<a class="code" href="../../d1/dba/fftools__ffmpeg__hw_8c.html#ad66ab6371d9721a18af13707d8b2735c">hw_devices</a>[i]-&gt;type == type) {</div>
<div class="line"><a name="l00045"></a><span class="lineno">   45</span>&#160;            <span class="keywordflow">if</span> (found)</div>
<div class="line"><a name="l00046"></a><span class="lineno">   46</span>&#160;                <span class="keywordflow">return</span> NULL;</div>
<div class="line"><a name="l00047"></a><span class="lineno">   47</span>&#160;            found = <a class="code" href="../../d1/dba/fftools__ffmpeg__hw_8c.html#ad66ab6371d9721a18af13707d8b2735c">hw_devices</a>[i];</div>
<div class="line"><a name="l00048"></a><span class="lineno">   48</span>&#160;        }</div>
<div class="line"><a name="l00049"></a><span class="lineno">   49</span>&#160;    }</div>
<div class="line"><a name="l00050"></a><span class="lineno">   50</span>&#160;    <span class="keywordflow">return</span> found;</div>
<div class="line"><a name="l00051"></a><span class="lineno">   51</span>&#160;}</div>
<div class="line"><a name="l00052"></a><span class="lineno">   52</span>&#160; </div>
<div class="line"><a name="l00053"></a><span class="lineno"><a class="line" href="../../d7/db3/fftools__ffmpeg_8h.html#ae46735072274c02ae8a17b80b8faa4dd">   53</a></span>&#160;<a class="code" href="../../de/dc7/struct_h_w_device.html">HWDevice</a> *<a class="code" href="../../d1/dba/fftools__ffmpeg__hw_8c.html#ae46735072274c02ae8a17b80b8faa4dd">hw_device_get_by_name</a>(<span class="keyword">const</span> <span class="keywordtype">char</span> *name)</div>
<div class="line"><a name="l00054"></a><span class="lineno">   54</span>&#160;{</div>
<div class="line"><a name="l00055"></a><span class="lineno">   55</span>&#160;    <span class="keywordtype">int</span> i;</div>
<div class="line"><a name="l00056"></a><span class="lineno">   56</span>&#160;    <span class="keywordflow">for</span> (i = 0; i &lt; <a class="code" href="../../d1/dba/fftools__ffmpeg__hw_8c.html#acea1bac2a399307791945b15467b1f75">nb_hw_devices</a>; i++) {</div>
<div class="line"><a name="l00057"></a><span class="lineno">   57</span>&#160;        <span class="keywordflow">if</span> (!strcmp(<a class="code" href="../../d1/dba/fftools__ffmpeg__hw_8c.html#ad66ab6371d9721a18af13707d8b2735c">hw_devices</a>[i]-&gt;name, name))</div>
<div class="line"><a name="l00058"></a><span class="lineno">   58</span>&#160;            <span class="keywordflow">return</span> <a class="code" href="../../d1/dba/fftools__ffmpeg__hw_8c.html#ad66ab6371d9721a18af13707d8b2735c">hw_devices</a>[i];</div>
<div class="line"><a name="l00059"></a><span class="lineno">   59</span>&#160;    }</div>
<div class="line"><a name="l00060"></a><span class="lineno">   60</span>&#160;    <span class="keywordflow">return</span> NULL;</div>
<div class="line"><a name="l00061"></a><span class="lineno">   61</span>&#160;}</div>
<div class="line"><a name="l00062"></a><span class="lineno">   62</span>&#160; </div>
<div class="line"><a name="l00063"></a><span class="lineno"><a class="line" href="../../d1/dba/fftools__ffmpeg__hw_8c.html#a27d1714061bcef2cc6c6ef59c2b54bd3">   63</a></span>&#160;<span class="keyword">static</span> <a class="code" href="../../de/dc7/struct_h_w_device.html">HWDevice</a> *<a class="code" href="../../d1/dba/fftools__ffmpeg__hw_8c.html#a27d1714061bcef2cc6c6ef59c2b54bd3">hw_device_add</a>(<span class="keywordtype">void</span>)</div>
<div class="line"><a name="l00064"></a><span class="lineno">   64</span>&#160;{</div>
<div class="line"><a name="l00065"></a><span class="lineno">   65</span>&#160;    <span class="keywordtype">int</span> err;</div>
<div class="line"><a name="l00066"></a><span class="lineno">   66</span>&#160;    err = av_reallocp_array(&amp;<a class="code" href="../../d1/dba/fftools__ffmpeg__hw_8c.html#ad66ab6371d9721a18af13707d8b2735c">hw_devices</a>, <a class="code" href="../../d1/dba/fftools__ffmpeg__hw_8c.html#acea1bac2a399307791945b15467b1f75">nb_hw_devices</a> + 1,</div>
<div class="line"><a name="l00067"></a><span class="lineno">   67</span>&#160;                            <span class="keyword">sizeof</span>(*<a class="code" href="../../d1/dba/fftools__ffmpeg__hw_8c.html#ad66ab6371d9721a18af13707d8b2735c">hw_devices</a>));</div>
<div class="line"><a name="l00068"></a><span class="lineno">   68</span>&#160;    <span class="keywordflow">if</span> (err) {</div>
<div class="line"><a name="l00069"></a><span class="lineno">   69</span>&#160;        <a class="code" href="../../d1/dba/fftools__ffmpeg__hw_8c.html#acea1bac2a399307791945b15467b1f75">nb_hw_devices</a> = 0;</div>
<div class="line"><a name="l00070"></a><span class="lineno">   70</span>&#160;        <span class="keywordflow">return</span> NULL;</div>
<div class="line"><a name="l00071"></a><span class="lineno">   71</span>&#160;    }</div>
<div class="line"><a name="l00072"></a><span class="lineno">   72</span>&#160;    <a class="code" href="../../d1/dba/fftools__ffmpeg__hw_8c.html#ad66ab6371d9721a18af13707d8b2735c">hw_devices</a>[<a class="code" href="../../d1/dba/fftools__ffmpeg__hw_8c.html#acea1bac2a399307791945b15467b1f75">nb_hw_devices</a>] = av_mallocz(<span class="keyword">sizeof</span>(<a class="code" href="../../de/dc7/struct_h_w_device.html">HWDevice</a>));</div>
<div class="line"><a name="l00073"></a><span class="lineno">   73</span>&#160;    <span class="keywordflow">if</span> (!<a class="code" href="../../d1/dba/fftools__ffmpeg__hw_8c.html#ad66ab6371d9721a18af13707d8b2735c">hw_devices</a>[<a class="code" href="../../d1/dba/fftools__ffmpeg__hw_8c.html#acea1bac2a399307791945b15467b1f75">nb_hw_devices</a>])</div>
<div class="line"><a name="l00074"></a><span class="lineno">   74</span>&#160;        <span class="keywordflow">return</span> NULL;</div>
<div class="line"><a name="l00075"></a><span class="lineno">   75</span>&#160;    <span class="keywordflow">return</span> <a class="code" href="../../d1/dba/fftools__ffmpeg__hw_8c.html#ad66ab6371d9721a18af13707d8b2735c">hw_devices</a>[<a class="code" href="../../d1/dba/fftools__ffmpeg__hw_8c.html#acea1bac2a399307791945b15467b1f75">nb_hw_devices</a>++];</div>
<div class="line"><a name="l00076"></a><span class="lineno">   76</span>&#160;}</div>
<div class="line"><a name="l00077"></a><span class="lineno">   77</span>&#160; </div>
<div class="line"><a name="l00078"></a><span class="lineno"><a class="line" href="../../d1/dba/fftools__ffmpeg__hw_8c.html#a2ff6a6bf8a6713b6d9218d5ad537e72b">   78</a></span>&#160;<span class="keyword">static</span> <span class="keywordtype">char</span> *<a class="code" href="../../d1/dba/fftools__ffmpeg__hw_8c.html#a2ff6a6bf8a6713b6d9218d5ad537e72b">hw_device_default_name</a>(<span class="keyword">enum</span> AVHWDeviceType type)</div>
<div class="line"><a name="l00079"></a><span class="lineno">   79</span>&#160;{</div>
<div class="line"><a name="l00080"></a><span class="lineno">   80</span>&#160;    <span class="comment">// Make an automatic name of the form &quot;type%d&quot;.  We arbitrarily</span></div>
<div class="line"><a name="l00081"></a><span class="lineno">   81</span>&#160;    <span class="comment">// limit at 1000 anonymous devices of the same type - there is</span></div>
<div class="line"><a name="l00082"></a><span class="lineno">   82</span>&#160;    <span class="comment">// probably something else very wrong if you get to this limit.</span></div>
<div class="line"><a name="l00083"></a><span class="lineno">   83</span>&#160;    <span class="keyword">const</span> <span class="keywordtype">char</span> *type_name = av_hwdevice_get_type_name(type);</div>
<div class="line"><a name="l00084"></a><span class="lineno">   84</span>&#160;    <span class="keywordtype">char</span> *name;</div>
<div class="line"><a name="l00085"></a><span class="lineno">   85</span>&#160;    <span class="keywordtype">size_t</span> index_pos;</div>
<div class="line"><a name="l00086"></a><span class="lineno">   86</span>&#160;    <span class="keywordtype">int</span> index, index_limit = 1000;</div>
<div class="line"><a name="l00087"></a><span class="lineno">   87</span>&#160;    index_pos = strlen(type_name);</div>
<div class="line"><a name="l00088"></a><span class="lineno">   88</span>&#160;    name = av_malloc(index_pos + 4);</div>
<div class="line"><a name="l00089"></a><span class="lineno">   89</span>&#160;    <span class="keywordflow">if</span> (!name)</div>
<div class="line"><a name="l00090"></a><span class="lineno">   90</span>&#160;        <span class="keywordflow">return</span> NULL;</div>
<div class="line"><a name="l00091"></a><span class="lineno">   91</span>&#160;    <span class="keywordflow">for</span> (index = 0; index &lt; index_limit; index++) {</div>
<div class="line"><a name="l00092"></a><span class="lineno">   92</span>&#160;        snprintf(name, index_pos + 4, <span class="stringliteral">&quot;%s%d&quot;</span>, type_name, index);</div>
<div class="line"><a name="l00093"></a><span class="lineno">   93</span>&#160;        <span class="keywordflow">if</span> (!<a class="code" href="../../d1/dba/fftools__ffmpeg__hw_8c.html#ae46735072274c02ae8a17b80b8faa4dd">hw_device_get_by_name</a>(name))</div>
<div class="line"><a name="l00094"></a><span class="lineno">   94</span>&#160;            <span class="keywordflow">break</span>;</div>
<div class="line"><a name="l00095"></a><span class="lineno">   95</span>&#160;    }</div>
<div class="line"><a name="l00096"></a><span class="lineno">   96</span>&#160;    <span class="keywordflow">if</span> (index &gt;= index_limit) {</div>
<div class="line"><a name="l00097"></a><span class="lineno">   97</span>&#160;        av_freep(&amp;name);</div>
<div class="line"><a name="l00098"></a><span class="lineno">   98</span>&#160;        <span class="keywordflow">return</span> NULL;</div>
<div class="line"><a name="l00099"></a><span class="lineno">   99</span>&#160;    }</div>
<div class="line"><a name="l00100"></a><span class="lineno">  100</span>&#160;    <span class="keywordflow">return</span> name;</div>
<div class="line"><a name="l00101"></a><span class="lineno">  101</span>&#160;}</div>
<div class="line"><a name="l00102"></a><span class="lineno">  102</span>&#160; </div>
<div class="line"><a name="l00103"></a><span class="lineno"><a class="line" href="../../d7/db3/fftools__ffmpeg_8h.html#ad60c6eadc7b29c15236419760b2e0094">  103</a></span>&#160;<span class="keywordtype">int</span> <a class="code" href="../../d1/dba/fftools__ffmpeg__hw_8c.html#a3fdd5667b2f22f69baa2f711b13537fb">hw_device_init_from_string</a>(<span class="keyword">const</span> <span class="keywordtype">char</span> *arg, <a class="code" href="../../de/dc7/struct_h_w_device.html">HWDevice</a> **dev_out)</div>
<div class="line"><a name="l00104"></a><span class="lineno">  104</span>&#160;{</div>
<div class="line"><a name="l00105"></a><span class="lineno">  105</span>&#160;    <span class="comment">// &quot;type=name:device,key=value,key2=value2&quot;</span></div>
<div class="line"><a name="l00106"></a><span class="lineno">  106</span>&#160;    <span class="comment">// &quot;type:device,key=value,key2=value2&quot;</span></div>
<div class="line"><a name="l00107"></a><span class="lineno">  107</span>&#160;    <span class="comment">// -&gt; av_hwdevice_ctx_create()</span></div>
<div class="line"><a name="l00108"></a><span class="lineno">  108</span>&#160;    <span class="comment">// &quot;type=name@name&quot;</span></div>
<div class="line"><a name="l00109"></a><span class="lineno">  109</span>&#160;    <span class="comment">// &quot;type@name&quot;</span></div>
<div class="line"><a name="l00110"></a><span class="lineno">  110</span>&#160;    <span class="comment">// -&gt; av_hwdevice_ctx_create_derived()</span></div>
<div class="line"><a name="l00111"></a><span class="lineno">  111</span>&#160; </div>
<div class="line"><a name="l00112"></a><span class="lineno">  112</span>&#160;    AVDictionary *options = NULL;</div>
<div class="line"><a name="l00113"></a><span class="lineno">  113</span>&#160;    <span class="keyword">const</span> <span class="keywordtype">char</span> *type_name = NULL, *name = NULL, *device = NULL;</div>
<div class="line"><a name="l00114"></a><span class="lineno">  114</span>&#160;    <span class="keyword">enum</span> AVHWDeviceType type;</div>
<div class="line"><a name="l00115"></a><span class="lineno">  115</span>&#160;    <a class="code" href="../../de/dc7/struct_h_w_device.html">HWDevice</a> *dev, *src;</div>
<div class="line"><a name="l00116"></a><span class="lineno">  116</span>&#160;    AVBufferRef *device_ref = NULL;</div>
<div class="line"><a name="l00117"></a><span class="lineno">  117</span>&#160;    <span class="keywordtype">int</span> err;</div>
<div class="line"><a name="l00118"></a><span class="lineno">  118</span>&#160;    <span class="keyword">const</span> <span class="keywordtype">char</span> *errmsg, *p, *q;</div>
<div class="line"><a name="l00119"></a><span class="lineno">  119</span>&#160;    <span class="keywordtype">size_t</span> k;</div>
<div class="line"><a name="l00120"></a><span class="lineno">  120</span>&#160; </div>
<div class="line"><a name="l00121"></a><span class="lineno">  121</span>&#160;    k = strcspn(arg, <span class="stringliteral">&quot;:=@&quot;</span>);</div>
<div class="line"><a name="l00122"></a><span class="lineno">  122</span>&#160;    p = arg + k;</div>
<div class="line"><a name="l00123"></a><span class="lineno">  123</span>&#160; </div>
<div class="line"><a name="l00124"></a><span class="lineno">  124</span>&#160;    type_name = av_strndup(arg, k);</div>
<div class="line"><a name="l00125"></a><span class="lineno">  125</span>&#160;    <span class="keywordflow">if</span> (!type_name) {</div>
<div class="line"><a name="l00126"></a><span class="lineno">  126</span>&#160;        err = AVERROR(ENOMEM);</div>
<div class="line"><a name="l00127"></a><span class="lineno">  127</span>&#160;        <span class="keywordflow">goto</span> fail;</div>
<div class="line"><a name="l00128"></a><span class="lineno">  128</span>&#160;    }</div>
<div class="line"><a name="l00129"></a><span class="lineno">  129</span>&#160;    type = av_hwdevice_find_type_by_name(type_name);</div>
<div class="line"><a name="l00130"></a><span class="lineno">  130</span>&#160;    <span class="keywordflow">if</span> (type == AV_HWDEVICE_TYPE_NONE) {</div>
<div class="line"><a name="l00131"></a><span class="lineno">  131</span>&#160;        errmsg = <span class="stringliteral">&quot;unknown device type&quot;</span>;</div>
<div class="line"><a name="l00132"></a><span class="lineno">  132</span>&#160;        <span class="keywordflow">goto</span> invalid;</div>
<div class="line"><a name="l00133"></a><span class="lineno">  133</span>&#160;    }</div>
<div class="line"><a name="l00134"></a><span class="lineno">  134</span>&#160; </div>
<div class="line"><a name="l00135"></a><span class="lineno">  135</span>&#160;    <span class="keywordflow">if</span> (*p == <span class="charliteral">&#39;=&#39;</span>) {</div>
<div class="line"><a name="l00136"></a><span class="lineno">  136</span>&#160;        k = strcspn(p + 1, <span class="stringliteral">&quot;:@&quot;</span>);</div>
<div class="line"><a name="l00137"></a><span class="lineno">  137</span>&#160; </div>
<div class="line"><a name="l00138"></a><span class="lineno">  138</span>&#160;        name = av_strndup(p + 1, k);</div>
<div class="line"><a name="l00139"></a><span class="lineno">  139</span>&#160;        <span class="keywordflow">if</span> (!name) {</div>
<div class="line"><a name="l00140"></a><span class="lineno">  140</span>&#160;            err = AVERROR(ENOMEM);</div>
<div class="line"><a name="l00141"></a><span class="lineno">  141</span>&#160;            <span class="keywordflow">goto</span> fail;</div>
<div class="line"><a name="l00142"></a><span class="lineno">  142</span>&#160;        }</div>
<div class="line"><a name="l00143"></a><span class="lineno">  143</span>&#160;        <span class="keywordflow">if</span> (<a class="code" href="../../d1/dba/fftools__ffmpeg__hw_8c.html#ae46735072274c02ae8a17b80b8faa4dd">hw_device_get_by_name</a>(name)) {</div>
<div class="line"><a name="l00144"></a><span class="lineno">  144</span>&#160;            errmsg = <span class="stringliteral">&quot;named device already exists&quot;</span>;</div>
<div class="line"><a name="l00145"></a><span class="lineno">  145</span>&#160;            <span class="keywordflow">goto</span> invalid;</div>
<div class="line"><a name="l00146"></a><span class="lineno">  146</span>&#160;        }</div>
<div class="line"><a name="l00147"></a><span class="lineno">  147</span>&#160; </div>
<div class="line"><a name="l00148"></a><span class="lineno">  148</span>&#160;        p += 1 + k;</div>
<div class="line"><a name="l00149"></a><span class="lineno">  149</span>&#160;    } <span class="keywordflow">else</span> {</div>
<div class="line"><a name="l00150"></a><span class="lineno">  150</span>&#160;        name = <a class="code" href="../../d1/dba/fftools__ffmpeg__hw_8c.html#a2ff6a6bf8a6713b6d9218d5ad537e72b">hw_device_default_name</a>(type);</div>
<div class="line"><a name="l00151"></a><span class="lineno">  151</span>&#160;        <span class="keywordflow">if</span> (!name) {</div>
<div class="line"><a name="l00152"></a><span class="lineno">  152</span>&#160;            err = AVERROR(ENOMEM);</div>
<div class="line"><a name="l00153"></a><span class="lineno">  153</span>&#160;            <span class="keywordflow">goto</span> fail;</div>
<div class="line"><a name="l00154"></a><span class="lineno">  154</span>&#160;        }</div>
<div class="line"><a name="l00155"></a><span class="lineno">  155</span>&#160;    }</div>
<div class="line"><a name="l00156"></a><span class="lineno">  156</span>&#160; </div>
<div class="line"><a name="l00157"></a><span class="lineno">  157</span>&#160;    <span class="keywordflow">if</span> (!*p) {</div>
<div class="line"><a name="l00158"></a><span class="lineno">  158</span>&#160;        <span class="comment">// New device with no parameters.</span></div>
<div class="line"><a name="l00159"></a><span class="lineno">  159</span>&#160;        err = av_hwdevice_ctx_create(&amp;device_ref, type,</div>
<div class="line"><a name="l00160"></a><span class="lineno">  160</span>&#160;                                     NULL, NULL, 0);</div>
<div class="line"><a name="l00161"></a><span class="lineno">  161</span>&#160;        <span class="keywordflow">if</span> (err &lt; 0)</div>
<div class="line"><a name="l00162"></a><span class="lineno">  162</span>&#160;            <span class="keywordflow">goto</span> fail;</div>
<div class="line"><a name="l00163"></a><span class="lineno">  163</span>&#160; </div>
<div class="line"><a name="l00164"></a><span class="lineno">  164</span>&#160;    } <span class="keywordflow">else</span> <span class="keywordflow">if</span> (*p == <span class="charliteral">&#39;:&#39;</span>) {</div>
<div class="line"><a name="l00165"></a><span class="lineno">  165</span>&#160;        <span class="comment">// New device with some parameters.</span></div>
<div class="line"><a name="l00166"></a><span class="lineno">  166</span>&#160;        ++p;</div>
<div class="line"><a name="l00167"></a><span class="lineno">  167</span>&#160;        q = strchr(p, <span class="charliteral">&#39;,&#39;</span>);</div>
<div class="line"><a name="l00168"></a><span class="lineno">  168</span>&#160;        <span class="keywordflow">if</span> (q) {</div>
<div class="line"><a name="l00169"></a><span class="lineno">  169</span>&#160;            <span class="keywordflow">if</span> (q - p &gt; 0) {</div>
<div class="line"><a name="l00170"></a><span class="lineno">  170</span>&#160;            device = av_strndup(p, q - p);</div>
<div class="line"><a name="l00171"></a><span class="lineno">  171</span>&#160;            <span class="keywordflow">if</span> (!device) {</div>
<div class="line"><a name="l00172"></a><span class="lineno">  172</span>&#160;                err = AVERROR(ENOMEM);</div>
<div class="line"><a name="l00173"></a><span class="lineno">  173</span>&#160;                <span class="keywordflow">goto</span> fail;</div>
<div class="line"><a name="l00174"></a><span class="lineno">  174</span>&#160;            }</div>
<div class="line"><a name="l00175"></a><span class="lineno">  175</span>&#160;            }</div>
<div class="line"><a name="l00176"></a><span class="lineno">  176</span>&#160;            err = av_dict_parse_string(&amp;options, q + 1, <span class="stringliteral">&quot;=&quot;</span>, <span class="stringliteral">&quot;,&quot;</span>, 0);</div>
<div class="line"><a name="l00177"></a><span class="lineno">  177</span>&#160;            <span class="keywordflow">if</span> (err &lt; 0) {</div>
<div class="line"><a name="l00178"></a><span class="lineno">  178</span>&#160;                errmsg = <span class="stringliteral">&quot;failed to parse options&quot;</span>;</div>
<div class="line"><a name="l00179"></a><span class="lineno">  179</span>&#160;                <span class="keywordflow">goto</span> invalid;</div>
<div class="line"><a name="l00180"></a><span class="lineno">  180</span>&#160;            }</div>
<div class="line"><a name="l00181"></a><span class="lineno">  181</span>&#160;        }</div>
<div class="line"><a name="l00182"></a><span class="lineno">  182</span>&#160; </div>
<div class="line"><a name="l00183"></a><span class="lineno">  183</span>&#160;        err = av_hwdevice_ctx_create(&amp;device_ref, type,</div>
<div class="line"><a name="l00184"></a><span class="lineno">  184</span>&#160;                                     q ? device : p[0] ? p : NULL,</div>
<div class="line"><a name="l00185"></a><span class="lineno">  185</span>&#160;                                     options, 0);</div>
<div class="line"><a name="l00186"></a><span class="lineno">  186</span>&#160;        <span class="keywordflow">if</span> (err &lt; 0)</div>
<div class="line"><a name="l00187"></a><span class="lineno">  187</span>&#160;            <span class="keywordflow">goto</span> fail;</div>
<div class="line"><a name="l00188"></a><span class="lineno">  188</span>&#160; </div>
<div class="line"><a name="l00189"></a><span class="lineno">  189</span>&#160;    } <span class="keywordflow">else</span> <span class="keywordflow">if</span> (*p == <span class="charliteral">&#39;@&#39;</span>) {</div>
<div class="line"><a name="l00190"></a><span class="lineno">  190</span>&#160;        <span class="comment">// Derive from existing device.</span></div>
<div class="line"><a name="l00191"></a><span class="lineno">  191</span>&#160; </div>
<div class="line"><a name="l00192"></a><span class="lineno">  192</span>&#160;        src = <a class="code" href="../../d1/dba/fftools__ffmpeg__hw_8c.html#ae46735072274c02ae8a17b80b8faa4dd">hw_device_get_by_name</a>(p + 1);</div>
<div class="line"><a name="l00193"></a><span class="lineno">  193</span>&#160;        <span class="keywordflow">if</span> (!src) {</div>
<div class="line"><a name="l00194"></a><span class="lineno">  194</span>&#160;            errmsg = <span class="stringliteral">&quot;invalid source device name&quot;</span>;</div>
<div class="line"><a name="l00195"></a><span class="lineno">  195</span>&#160;            <span class="keywordflow">goto</span> invalid;</div>
<div class="line"><a name="l00196"></a><span class="lineno">  196</span>&#160;        }</div>
<div class="line"><a name="l00197"></a><span class="lineno">  197</span>&#160; </div>
<div class="line"><a name="l00198"></a><span class="lineno">  198</span>&#160;        err = av_hwdevice_ctx_create_derived(&amp;device_ref, type,</div>
<div class="line"><a name="l00199"></a><span class="lineno">  199</span>&#160;                                             src-&gt;<a class="code" href="../../de/dc7/struct_h_w_device.html#ac1615b160aa7dc0f2e314e04cea6aaf9">device_ref</a>, 0);</div>
<div class="line"><a name="l00200"></a><span class="lineno">  200</span>&#160;        <span class="keywordflow">if</span> (err &lt; 0)</div>
<div class="line"><a name="l00201"></a><span class="lineno">  201</span>&#160;            <span class="keywordflow">goto</span> fail;</div>
<div class="line"><a name="l00202"></a><span class="lineno">  202</span>&#160;    } <span class="keywordflow">else</span> {</div>
<div class="line"><a name="l00203"></a><span class="lineno">  203</span>&#160;        errmsg = <span class="stringliteral">&quot;parse error&quot;</span>;</div>
<div class="line"><a name="l00204"></a><span class="lineno">  204</span>&#160;        <span class="keywordflow">goto</span> invalid;</div>
<div class="line"><a name="l00205"></a><span class="lineno">  205</span>&#160;    }</div>
<div class="line"><a name="l00206"></a><span class="lineno">  206</span>&#160; </div>
<div class="line"><a name="l00207"></a><span class="lineno">  207</span>&#160;    dev = <a class="code" href="../../d1/dba/fftools__ffmpeg__hw_8c.html#a27d1714061bcef2cc6c6ef59c2b54bd3">hw_device_add</a>();</div>
<div class="line"><a name="l00208"></a><span class="lineno">  208</span>&#160;    <span class="keywordflow">if</span> (!dev) {</div>
<div class="line"><a name="l00209"></a><span class="lineno">  209</span>&#160;        err = AVERROR(ENOMEM);</div>
<div class="line"><a name="l00210"></a><span class="lineno">  210</span>&#160;        <span class="keywordflow">goto</span> fail;</div>
<div class="line"><a name="l00211"></a><span class="lineno">  211</span>&#160;    }</div>
<div class="line"><a name="l00212"></a><span class="lineno">  212</span>&#160; </div>
<div class="line"><a name="l00213"></a><span class="lineno">  213</span>&#160;    dev-&gt;<a class="code" href="../../de/dc7/struct_h_w_device.html#ae03ed8b14a9e341f1d8cc5fa37006656">name</a> = name;</div>
<div class="line"><a name="l00214"></a><span class="lineno">  214</span>&#160;    dev-&gt;<a class="code" href="../../de/dc7/struct_h_w_device.html#ad5294ac2b414deacbe2aac7b9c8ba987">type</a> = type;</div>
<div class="line"><a name="l00215"></a><span class="lineno">  215</span>&#160;    dev-&gt;<a class="code" href="../../de/dc7/struct_h_w_device.html#ac1615b160aa7dc0f2e314e04cea6aaf9">device_ref</a> = device_ref;</div>
<div class="line"><a name="l00216"></a><span class="lineno">  216</span>&#160; </div>
<div class="line"><a name="l00217"></a><span class="lineno">  217</span>&#160;    <span class="keywordflow">if</span> (dev_out)</div>
<div class="line"><a name="l00218"></a><span class="lineno">  218</span>&#160;        *dev_out = dev;</div>
<div class="line"><a name="l00219"></a><span class="lineno">  219</span>&#160; </div>
<div class="line"><a name="l00220"></a><span class="lineno">  220</span>&#160;    name = NULL;</div>
<div class="line"><a name="l00221"></a><span class="lineno">  221</span>&#160;    err = 0;</div>
<div class="line"><a name="l00222"></a><span class="lineno">  222</span>&#160;done:</div>
<div class="line"><a name="l00223"></a><span class="lineno">  223</span>&#160;    av_freep(&amp;type_name);</div>
<div class="line"><a name="l00224"></a><span class="lineno">  224</span>&#160;    av_freep(&amp;name);</div>
<div class="line"><a name="l00225"></a><span class="lineno">  225</span>&#160;    av_freep(&amp;device);</div>
<div class="line"><a name="l00226"></a><span class="lineno">  226</span>&#160;    av_dict_free(&amp;options);</div>
<div class="line"><a name="l00227"></a><span class="lineno">  227</span>&#160;    <span class="keywordflow">return</span> err;</div>
<div class="line"><a name="l00228"></a><span class="lineno">  228</span>&#160;invalid:</div>
<div class="line"><a name="l00229"></a><span class="lineno">  229</span>&#160;    av_log(NULL, AV_LOG_ERROR,</div>
<div class="line"><a name="l00230"></a><span class="lineno">  230</span>&#160;           <span class="stringliteral">&quot;Invalid device specification \&quot;%s\&quot;: %s\n&quot;</span>, arg, errmsg);</div>
<div class="line"><a name="l00231"></a><span class="lineno">  231</span>&#160;    err = AVERROR(EINVAL);</div>
<div class="line"><a name="l00232"></a><span class="lineno">  232</span>&#160;    <span class="keywordflow">goto</span> done;</div>
<div class="line"><a name="l00233"></a><span class="lineno">  233</span>&#160;fail:</div>
<div class="line"><a name="l00234"></a><span class="lineno">  234</span>&#160;    av_log(NULL, AV_LOG_ERROR,</div>
<div class="line"><a name="l00235"></a><span class="lineno">  235</span>&#160;           <span class="stringliteral">&quot;Device creation failed: %d.\n&quot;</span>, err);</div>
<div class="line"><a name="l00236"></a><span class="lineno">  236</span>&#160;    av_buffer_unref(&amp;device_ref);</div>
<div class="line"><a name="l00237"></a><span class="lineno">  237</span>&#160;    <span class="keywordflow">goto</span> done;</div>
<div class="line"><a name="l00238"></a><span class="lineno">  238</span>&#160;}</div>
<div class="line"><a name="l00239"></a><span class="lineno">  239</span>&#160; </div>
<div class="line"><a name="l00240"></a><span class="lineno"><a class="line" href="../../d1/dba/fftools__ffmpeg__hw_8c.html#ac2df78054133e8e90276b1d12af466da">  240</a></span>&#160;<span class="keyword">static</span> <span class="keywordtype">int</span> <a class="code" href="../../d1/dba/fftools__ffmpeg__hw_8c.html#ac2df78054133e8e90276b1d12af466da">hw_device_init_from_type</a>(<span class="keyword">enum</span> AVHWDeviceType type,</div>
<div class="line"><a name="l00241"></a><span class="lineno">  241</span>&#160;                                    <span class="keyword">const</span> <span class="keywordtype">char</span> *device,</div>
<div class="line"><a name="l00242"></a><span class="lineno">  242</span>&#160;                                    <a class="code" href="../../de/dc7/struct_h_w_device.html">HWDevice</a> **dev_out)</div>
<div class="line"><a name="l00243"></a><span class="lineno">  243</span>&#160;{</div>
<div class="line"><a name="l00244"></a><span class="lineno">  244</span>&#160;    AVBufferRef *device_ref = NULL;</div>
<div class="line"><a name="l00245"></a><span class="lineno">  245</span>&#160;    <a class="code" href="../../de/dc7/struct_h_w_device.html">HWDevice</a> *dev;</div>
<div class="line"><a name="l00246"></a><span class="lineno">  246</span>&#160;    <span class="keywordtype">char</span> *name;</div>
<div class="line"><a name="l00247"></a><span class="lineno">  247</span>&#160;    <span class="keywordtype">int</span> err;</div>
<div class="line"><a name="l00248"></a><span class="lineno">  248</span>&#160; </div>
<div class="line"><a name="l00249"></a><span class="lineno">  249</span>&#160;    name = <a class="code" href="../../d1/dba/fftools__ffmpeg__hw_8c.html#a2ff6a6bf8a6713b6d9218d5ad537e72b">hw_device_default_name</a>(type);</div>
<div class="line"><a name="l00250"></a><span class="lineno">  250</span>&#160;    <span class="keywordflow">if</span> (!name) {</div>
<div class="line"><a name="l00251"></a><span class="lineno">  251</span>&#160;        err = AVERROR(ENOMEM);</div>
<div class="line"><a name="l00252"></a><span class="lineno">  252</span>&#160;        <span class="keywordflow">goto</span> fail;</div>
<div class="line"><a name="l00253"></a><span class="lineno">  253</span>&#160;    }</div>
<div class="line"><a name="l00254"></a><span class="lineno">  254</span>&#160; </div>
<div class="line"><a name="l00255"></a><span class="lineno">  255</span>&#160;    err = av_hwdevice_ctx_create(&amp;device_ref, type, device, NULL, 0);</div>
<div class="line"><a name="l00256"></a><span class="lineno">  256</span>&#160;    <span class="keywordflow">if</span> (err &lt; 0) {</div>
<div class="line"><a name="l00257"></a><span class="lineno">  257</span>&#160;        av_log(NULL, AV_LOG_ERROR,</div>
<div class="line"><a name="l00258"></a><span class="lineno">  258</span>&#160;               <span class="stringliteral">&quot;Device creation failed: %d.\n&quot;</span>, err);</div>
<div class="line"><a name="l00259"></a><span class="lineno">  259</span>&#160;        <span class="keywordflow">goto</span> fail;</div>
<div class="line"><a name="l00260"></a><span class="lineno">  260</span>&#160;    }</div>
<div class="line"><a name="l00261"></a><span class="lineno">  261</span>&#160; </div>
<div class="line"><a name="l00262"></a><span class="lineno">  262</span>&#160;    dev = <a class="code" href="../../d1/dba/fftools__ffmpeg__hw_8c.html#a27d1714061bcef2cc6c6ef59c2b54bd3">hw_device_add</a>();</div>
<div class="line"><a name="l00263"></a><span class="lineno">  263</span>&#160;    <span class="keywordflow">if</span> (!dev) {</div>
<div class="line"><a name="l00264"></a><span class="lineno">  264</span>&#160;        err = AVERROR(ENOMEM);</div>
<div class="line"><a name="l00265"></a><span class="lineno">  265</span>&#160;        <span class="keywordflow">goto</span> fail;</div>
<div class="line"><a name="l00266"></a><span class="lineno">  266</span>&#160;    }</div>
<div class="line"><a name="l00267"></a><span class="lineno">  267</span>&#160; </div>
<div class="line"><a name="l00268"></a><span class="lineno">  268</span>&#160;    dev-&gt;<a class="code" href="../../de/dc7/struct_h_w_device.html#ae03ed8b14a9e341f1d8cc5fa37006656">name</a> = name;</div>
<div class="line"><a name="l00269"></a><span class="lineno">  269</span>&#160;    dev-&gt;<a class="code" href="../../de/dc7/struct_h_w_device.html#ad5294ac2b414deacbe2aac7b9c8ba987">type</a> = type;</div>
<div class="line"><a name="l00270"></a><span class="lineno">  270</span>&#160;    dev-&gt;<a class="code" href="../../de/dc7/struct_h_w_device.html#ac1615b160aa7dc0f2e314e04cea6aaf9">device_ref</a> = device_ref;</div>
<div class="line"><a name="l00271"></a><span class="lineno">  271</span>&#160; </div>
<div class="line"><a name="l00272"></a><span class="lineno">  272</span>&#160;    <span class="keywordflow">if</span> (dev_out)</div>
<div class="line"><a name="l00273"></a><span class="lineno">  273</span>&#160;        *dev_out = dev;</div>
<div class="line"><a name="l00274"></a><span class="lineno">  274</span>&#160; </div>
<div class="line"><a name="l00275"></a><span class="lineno">  275</span>&#160;    <span class="keywordflow">return</span> 0;</div>
<div class="line"><a name="l00276"></a><span class="lineno">  276</span>&#160; </div>
<div class="line"><a name="l00277"></a><span class="lineno">  277</span>&#160;fail:</div>
<div class="line"><a name="l00278"></a><span class="lineno">  278</span>&#160;    av_freep(&amp;name);</div>
<div class="line"><a name="l00279"></a><span class="lineno">  279</span>&#160;    av_buffer_unref(&amp;device_ref);</div>
<div class="line"><a name="l00280"></a><span class="lineno">  280</span>&#160;    <span class="keywordflow">return</span> err;</div>
<div class="line"><a name="l00281"></a><span class="lineno">  281</span>&#160;}</div>
<div class="line"><a name="l00282"></a><span class="lineno">  282</span>&#160; </div>
<div class="line"><a name="l00283"></a><span class="lineno"><a class="line" href="../../d7/db3/fftools__ffmpeg_8h.html#a7b352c0afc44da703891d7538bbcf737">  283</a></span>&#160;<span class="keywordtype">void</span> <a class="code" href="../../d1/dba/fftools__ffmpeg__hw_8c.html#a7b352c0afc44da703891d7538bbcf737">hw_device_free_all</a>(<span class="keywordtype">void</span>)</div>
<div class="line"><a name="l00284"></a><span class="lineno">  284</span>&#160;{</div>
<div class="line"><a name="l00285"></a><span class="lineno">  285</span>&#160;    <span class="keywordtype">int</span> i;</div>
<div class="line"><a name="l00286"></a><span class="lineno">  286</span>&#160;    <span class="keywordflow">for</span> (i = 0; i &lt; <a class="code" href="../../d1/dba/fftools__ffmpeg__hw_8c.html#acea1bac2a399307791945b15467b1f75">nb_hw_devices</a>; i++) {</div>
<div class="line"><a name="l00287"></a><span class="lineno">  287</span>&#160;        av_freep(&amp;<a class="code" href="../../d1/dba/fftools__ffmpeg__hw_8c.html#ad66ab6371d9721a18af13707d8b2735c">hw_devices</a>[i]-&gt;name);</div>
<div class="line"><a name="l00288"></a><span class="lineno">  288</span>&#160;        av_buffer_unref(&amp;<a class="code" href="../../d1/dba/fftools__ffmpeg__hw_8c.html#ad66ab6371d9721a18af13707d8b2735c">hw_devices</a>[i]-&gt;device_ref);</div>
<div class="line"><a name="l00289"></a><span class="lineno">  289</span>&#160;        av_freep(&amp;<a class="code" href="../../d1/dba/fftools__ffmpeg__hw_8c.html#ad66ab6371d9721a18af13707d8b2735c">hw_devices</a>[i]);</div>
<div class="line"><a name="l00290"></a><span class="lineno">  290</span>&#160;    }</div>
<div class="line"><a name="l00291"></a><span class="lineno">  291</span>&#160;    av_freep(&amp;<a class="code" href="../../d1/dba/fftools__ffmpeg__hw_8c.html#ad66ab6371d9721a18af13707d8b2735c">hw_devices</a>);</div>
<div class="line"><a name="l00292"></a><span class="lineno">  292</span>&#160;    <a class="code" href="../../d1/dba/fftools__ffmpeg__hw_8c.html#acea1bac2a399307791945b15467b1f75">nb_hw_devices</a> = 0;</div>
<div class="line"><a name="l00293"></a><span class="lineno">  293</span>&#160;}</div>
<div class="line"><a name="l00294"></a><span class="lineno">  294</span>&#160; </div>
<div class="line"><a name="l00295"></a><span class="lineno"><a class="line" href="../../d1/dba/fftools__ffmpeg__hw_8c.html#af9f7b75f708b69b75bf8ca4e980114af">  295</a></span>&#160;<span class="keyword">static</span> <a class="code" href="../../de/dc7/struct_h_w_device.html">HWDevice</a> *<a class="code" href="../../d1/dba/fftools__ffmpeg__hw_8c.html#af9f7b75f708b69b75bf8ca4e980114af">hw_device_match_by_codec</a>(<span class="keyword">const</span> AVCodec *codec)</div>
<div class="line"><a name="l00296"></a><span class="lineno">  296</span>&#160;{</div>
<div class="line"><a name="l00297"></a><span class="lineno">  297</span>&#160;    <span class="keyword">const</span> AVCodecHWConfig *config;</div>
<div class="line"><a name="l00298"></a><span class="lineno">  298</span>&#160;    <a class="code" href="../../de/dc7/struct_h_w_device.html">HWDevice</a> *dev;</div>
<div class="line"><a name="l00299"></a><span class="lineno">  299</span>&#160;    <span class="keywordtype">int</span> i;</div>
<div class="line"><a name="l00300"></a><span class="lineno">  300</span>&#160;    <span class="keywordflow">for</span> (i = 0;; i++) {</div>
<div class="line"><a name="l00301"></a><span class="lineno">  301</span>&#160;        config = avcodec_get_hw_config(codec, i);</div>
<div class="line"><a name="l00302"></a><span class="lineno">  302</span>&#160;        <span class="keywordflow">if</span> (!config)</div>
<div class="line"><a name="l00303"></a><span class="lineno">  303</span>&#160;            <span class="keywordflow">return</span> NULL;</div>
<div class="line"><a name="l00304"></a><span class="lineno">  304</span>&#160;        <span class="keywordflow">if</span> (!(config-&gt;methods &amp; AV_CODEC_HW_CONFIG_METHOD_HW_DEVICE_CTX))</div>
<div class="line"><a name="l00305"></a><span class="lineno">  305</span>&#160;            <span class="keywordflow">continue</span>;</div>
<div class="line"><a name="l00306"></a><span class="lineno">  306</span>&#160;        dev = <a class="code" href="../../d1/dba/fftools__ffmpeg__hw_8c.html#ae9e48d5142d26822d8e0c5170248df02">hw_device_get_by_type</a>(config-&gt;device_type);</div>
<div class="line"><a name="l00307"></a><span class="lineno">  307</span>&#160;        <span class="keywordflow">if</span> (dev)</div>
<div class="line"><a name="l00308"></a><span class="lineno">  308</span>&#160;            <span class="keywordflow">return</span> dev;</div>
<div class="line"><a name="l00309"></a><span class="lineno">  309</span>&#160;    }</div>
<div class="line"><a name="l00310"></a><span class="lineno">  310</span>&#160;}</div>
<div class="line"><a name="l00311"></a><span class="lineno">  311</span>&#160; </div>
<div class="line"><a name="l00312"></a><span class="lineno"><a class="line" href="../../d7/db3/fftools__ffmpeg_8h.html#a77e8d12a4bdb9110a2d815b9aa5f8d02">  312</a></span>&#160;<span class="keywordtype">int</span> <a class="code" href="../../d1/dba/fftools__ffmpeg__hw_8c.html#a77e8d12a4bdb9110a2d815b9aa5f8d02">hw_device_setup_for_decode</a>(<a class="code" href="../../d3/d6e/struct_input_stream.html">InputStream</a> *ist)</div>
<div class="line"><a name="l00313"></a><span class="lineno">  313</span>&#160;{</div>
<div class="line"><a name="l00314"></a><span class="lineno">  314</span>&#160;    <span class="keyword">const</span> AVCodecHWConfig *config;</div>
<div class="line"><a name="l00315"></a><span class="lineno">  315</span>&#160;    <span class="keyword">enum</span> AVHWDeviceType type;</div>
<div class="line"><a name="l00316"></a><span class="lineno">  316</span>&#160;    <a class="code" href="../../de/dc7/struct_h_w_device.html">HWDevice</a> *dev = NULL;</div>
<div class="line"><a name="l00317"></a><span class="lineno">  317</span>&#160;    <span class="keywordtype">int</span> err, auto_device = 0;</div>
<div class="line"><a name="l00318"></a><span class="lineno">  318</span>&#160; </div>
<div class="line"><a name="l00319"></a><span class="lineno">  319</span>&#160;    <span class="keywordflow">if</span> (ist-&gt;<a class="code" href="../../d3/d6e/struct_input_stream.html#ae48685e82826c6b5922014d47e2cb6bb">hwaccel_device</a>) {</div>
<div class="line"><a name="l00320"></a><span class="lineno">  320</span>&#160;        dev = <a class="code" href="../../d1/dba/fftools__ffmpeg__hw_8c.html#ae46735072274c02ae8a17b80b8faa4dd">hw_device_get_by_name</a>(ist-&gt;<a class="code" href="../../d3/d6e/struct_input_stream.html#ae48685e82826c6b5922014d47e2cb6bb">hwaccel_device</a>);</div>
<div class="line"><a name="l00321"></a><span class="lineno">  321</span>&#160;        <span class="keywordflow">if</span> (!dev) {</div>
<div class="line"><a name="l00322"></a><span class="lineno">  322</span>&#160;            <span class="keywordflow">if</span> (ist-&gt;<a class="code" href="../../d3/d6e/struct_input_stream.html#a6c3473c28e30500adb3fa7886e6d7c3e">hwaccel_id</a> == <a class="code" href="../../d7/db3/fftools__ffmpeg_8h.html#a0804b6530666fd8d5f4e4193ee1d205faf30c0c6c4434db4f22346cdcbd909a02">HWACCEL_AUTO</a>) {</div>
<div class="line"><a name="l00323"></a><span class="lineno">  323</span>&#160;                auto_device = 1;</div>
<div class="line"><a name="l00324"></a><span class="lineno">  324</span>&#160;            } <span class="keywordflow">else</span> <span class="keywordflow">if</span> (ist-&gt;<a class="code" href="../../d3/d6e/struct_input_stream.html#a6c3473c28e30500adb3fa7886e6d7c3e">hwaccel_id</a> == <a class="code" href="../../d7/db3/fftools__ffmpeg_8h.html#a0804b6530666fd8d5f4e4193ee1d205fab96d67115af909300a442d76232c0362">HWACCEL_GENERIC</a>) {</div>
<div class="line"><a name="l00325"></a><span class="lineno">  325</span>&#160;                type = ist-&gt;<a class="code" href="../../d3/d6e/struct_input_stream.html#af577e45cb148e174ef437f3cbaa8b628">hwaccel_device_type</a>;</div>
<div class="line"><a name="l00326"></a><span class="lineno">  326</span>&#160;                err = <a class="code" href="../../d1/dba/fftools__ffmpeg__hw_8c.html#ac2df78054133e8e90276b1d12af466da">hw_device_init_from_type</a>(type, ist-&gt;<a class="code" href="../../d3/d6e/struct_input_stream.html#ae48685e82826c6b5922014d47e2cb6bb">hwaccel_device</a>,</div>
<div class="line"><a name="l00327"></a><span class="lineno">  327</span>&#160;                                               &amp;dev);</div>
<div class="line"><a name="l00328"></a><span class="lineno">  328</span>&#160;            } <span class="keywordflow">else</span> {</div>
<div class="line"><a name="l00329"></a><span class="lineno">  329</span>&#160;                <span class="comment">// This will be dealt with by API-specific initialisation</span></div>
<div class="line"><a name="l00330"></a><span class="lineno">  330</span>&#160;                <span class="comment">// (using hwaccel_device), so nothing further needed here.</span></div>
<div class="line"><a name="l00331"></a><span class="lineno">  331</span>&#160;                <span class="keywordflow">return</span> 0;</div>
<div class="line"><a name="l00332"></a><span class="lineno">  332</span>&#160;            }</div>
<div class="line"><a name="l00333"></a><span class="lineno">  333</span>&#160;        } <span class="keywordflow">else</span> {</div>
<div class="line"><a name="l00334"></a><span class="lineno">  334</span>&#160;            <span class="keywordflow">if</span> (ist-&gt;<a class="code" href="../../d3/d6e/struct_input_stream.html#a6c3473c28e30500adb3fa7886e6d7c3e">hwaccel_id</a> == <a class="code" href="../../d7/db3/fftools__ffmpeg_8h.html#a0804b6530666fd8d5f4e4193ee1d205faf30c0c6c4434db4f22346cdcbd909a02">HWACCEL_AUTO</a>) {</div>
<div class="line"><a name="l00335"></a><span class="lineno">  335</span>&#160;                ist-&gt;<a class="code" href="../../d3/d6e/struct_input_stream.html#af577e45cb148e174ef437f3cbaa8b628">hwaccel_device_type</a> = dev-&gt;<a class="code" href="../../de/dc7/struct_h_w_device.html#ad5294ac2b414deacbe2aac7b9c8ba987">type</a>;</div>
<div class="line"><a name="l00336"></a><span class="lineno">  336</span>&#160;            } <span class="keywordflow">else</span> <span class="keywordflow">if</span> (ist-&gt;<a class="code" href="../../d3/d6e/struct_input_stream.html#af577e45cb148e174ef437f3cbaa8b628">hwaccel_device_type</a> != dev-&gt;<a class="code" href="../../de/dc7/struct_h_w_device.html#ad5294ac2b414deacbe2aac7b9c8ba987">type</a>) {</div>
<div class="line"><a name="l00337"></a><span class="lineno">  337</span>&#160;                av_log(ist-&gt;<a class="code" href="../../d3/d6e/struct_input_stream.html#a550ceee60cb995b284b52962dcba6597">dec_ctx</a>, AV_LOG_ERROR, <span class="stringliteral">&quot;Invalid hwaccel device &quot;</span></div>
<div class="line"><a name="l00338"></a><span class="lineno">  338</span>&#160;                       <span class="stringliteral">&quot;specified for decoder: device %s of type %s is not &quot;</span></div>
<div class="line"><a name="l00339"></a><span class="lineno">  339</span>&#160;                       <span class="stringliteral">&quot;usable with hwaccel %s.\n&quot;</span>, dev-&gt;<a class="code" href="../../de/dc7/struct_h_w_device.html#ae03ed8b14a9e341f1d8cc5fa37006656">name</a>,</div>
<div class="line"><a name="l00340"></a><span class="lineno">  340</span>&#160;                       av_hwdevice_get_type_name(dev-&gt;<a class="code" href="../../de/dc7/struct_h_w_device.html#ad5294ac2b414deacbe2aac7b9c8ba987">type</a>),</div>
<div class="line"><a name="l00341"></a><span class="lineno">  341</span>&#160;                       av_hwdevice_get_type_name(ist-&gt;<a class="code" href="../../d3/d6e/struct_input_stream.html#af577e45cb148e174ef437f3cbaa8b628">hwaccel_device_type</a>));</div>
<div class="line"><a name="l00342"></a><span class="lineno">  342</span>&#160;                <span class="keywordflow">return</span> AVERROR(EINVAL);</div>
<div class="line"><a name="l00343"></a><span class="lineno">  343</span>&#160;            }</div>
<div class="line"><a name="l00344"></a><span class="lineno">  344</span>&#160;        }</div>
<div class="line"><a name="l00345"></a><span class="lineno">  345</span>&#160;    } <span class="keywordflow">else</span> {</div>
<div class="line"><a name="l00346"></a><span class="lineno">  346</span>&#160;        <span class="keywordflow">if</span> (ist-&gt;<a class="code" href="../../d3/d6e/struct_input_stream.html#a6c3473c28e30500adb3fa7886e6d7c3e">hwaccel_id</a> == <a class="code" href="../../d7/db3/fftools__ffmpeg_8h.html#a0804b6530666fd8d5f4e4193ee1d205faf30c0c6c4434db4f22346cdcbd909a02">HWACCEL_AUTO</a>) {</div>
<div class="line"><a name="l00347"></a><span class="lineno">  347</span>&#160;            auto_device = 1;</div>
<div class="line"><a name="l00348"></a><span class="lineno">  348</span>&#160;        } <span class="keywordflow">else</span> <span class="keywordflow">if</span> (ist-&gt;<a class="code" href="../../d3/d6e/struct_input_stream.html#a6c3473c28e30500adb3fa7886e6d7c3e">hwaccel_id</a> == <a class="code" href="../../d7/db3/fftools__ffmpeg_8h.html#a0804b6530666fd8d5f4e4193ee1d205fab96d67115af909300a442d76232c0362">HWACCEL_GENERIC</a>) {</div>
<div class="line"><a name="l00349"></a><span class="lineno">  349</span>&#160;            type = ist-&gt;<a class="code" href="../../d3/d6e/struct_input_stream.html#af577e45cb148e174ef437f3cbaa8b628">hwaccel_device_type</a>;</div>
<div class="line"><a name="l00350"></a><span class="lineno">  350</span>&#160;            dev = <a class="code" href="../../d1/dba/fftools__ffmpeg__hw_8c.html#ae9e48d5142d26822d8e0c5170248df02">hw_device_get_by_type</a>(type);</div>
<div class="line"><a name="l00351"></a><span class="lineno">  351</span>&#160;            <span class="keywordflow">if</span> (!dev)</div>
<div class="line"><a name="l00352"></a><span class="lineno">  352</span>&#160;                err = <a class="code" href="../../d1/dba/fftools__ffmpeg__hw_8c.html#ac2df78054133e8e90276b1d12af466da">hw_device_init_from_type</a>(type, NULL, &amp;dev);</div>
<div class="line"><a name="l00353"></a><span class="lineno">  353</span>&#160;        } <span class="keywordflow">else</span> {</div>
<div class="line"><a name="l00354"></a><span class="lineno">  354</span>&#160;            dev = <a class="code" href="../../d1/dba/fftools__ffmpeg__hw_8c.html#af9f7b75f708b69b75bf8ca4e980114af">hw_device_match_by_codec</a>(ist-&gt;<a class="code" href="../../d3/d6e/struct_input_stream.html#a6147a2f3e7cfec58b3f790dfc318e4bc">dec</a>);</div>
<div class="line"><a name="l00355"></a><span class="lineno">  355</span>&#160;            <span class="keywordflow">if</span> (!dev) {</div>
<div class="line"><a name="l00356"></a><span class="lineno">  356</span>&#160;                <span class="comment">// No device for this codec, but not using generic hwaccel</span></div>
<div class="line"><a name="l00357"></a><span class="lineno">  357</span>&#160;                <span class="comment">// and therefore may well not need one - ignore.</span></div>
<div class="line"><a name="l00358"></a><span class="lineno">  358</span>&#160;                <span class="keywordflow">return</span> 0;</div>
<div class="line"><a name="l00359"></a><span class="lineno">  359</span>&#160;            }</div>
<div class="line"><a name="l00360"></a><span class="lineno">  360</span>&#160;        }</div>
<div class="line"><a name="l00361"></a><span class="lineno">  361</span>&#160;    }</div>
<div class="line"><a name="l00362"></a><span class="lineno">  362</span>&#160; </div>
<div class="line"><a name="l00363"></a><span class="lineno">  363</span>&#160;    <span class="keywordflow">if</span> (auto_device) {</div>
<div class="line"><a name="l00364"></a><span class="lineno">  364</span>&#160;        <span class="keywordtype">int</span> i;</div>
<div class="line"><a name="l00365"></a><span class="lineno">  365</span>&#160;        <span class="keywordflow">if</span> (!avcodec_get_hw_config(ist-&gt;<a class="code" href="../../d3/d6e/struct_input_stream.html#a6147a2f3e7cfec58b3f790dfc318e4bc">dec</a>, 0)) {</div>
<div class="line"><a name="l00366"></a><span class="lineno">  366</span>&#160;            <span class="comment">// Decoder does not support any hardware devices.</span></div>
<div class="line"><a name="l00367"></a><span class="lineno">  367</span>&#160;            <span class="keywordflow">return</span> 0;</div>
<div class="line"><a name="l00368"></a><span class="lineno">  368</span>&#160;        }</div>
<div class="line"><a name="l00369"></a><span class="lineno">  369</span>&#160;        <span class="keywordflow">for</span> (i = 0; !dev; i++) {</div>
<div class="line"><a name="l00370"></a><span class="lineno">  370</span>&#160;            config = avcodec_get_hw_config(ist-&gt;<a class="code" href="../../d3/d6e/struct_input_stream.html#a6147a2f3e7cfec58b3f790dfc318e4bc">dec</a>, i);</div>
<div class="line"><a name="l00371"></a><span class="lineno">  371</span>&#160;            <span class="keywordflow">if</span> (!config)</div>
<div class="line"><a name="l00372"></a><span class="lineno">  372</span>&#160;                <span class="keywordflow">break</span>;</div>
<div class="line"><a name="l00373"></a><span class="lineno">  373</span>&#160;            type = config-&gt;device_type;</div>
<div class="line"><a name="l00374"></a><span class="lineno">  374</span>&#160;            dev = <a class="code" href="../../d1/dba/fftools__ffmpeg__hw_8c.html#ae9e48d5142d26822d8e0c5170248df02">hw_device_get_by_type</a>(type);</div>
<div class="line"><a name="l00375"></a><span class="lineno">  375</span>&#160;            <span class="keywordflow">if</span> (dev) {</div>
<div class="line"><a name="l00376"></a><span class="lineno">  376</span>&#160;                av_log(ist-&gt;<a class="code" href="../../d3/d6e/struct_input_stream.html#a550ceee60cb995b284b52962dcba6597">dec_ctx</a>, AV_LOG_INFO, <span class="stringliteral">&quot;Using auto &quot;</span></div>
<div class="line"><a name="l00377"></a><span class="lineno">  377</span>&#160;                       <span class="stringliteral">&quot;hwaccel type %s with existing device %s.\n&quot;</span>,</div>
<div class="line"><a name="l00378"></a><span class="lineno">  378</span>&#160;                       av_hwdevice_get_type_name(type), dev-&gt;<a class="code" href="../../de/dc7/struct_h_w_device.html#ae03ed8b14a9e341f1d8cc5fa37006656">name</a>);</div>
<div class="line"><a name="l00379"></a><span class="lineno">  379</span>&#160;            }</div>
<div class="line"><a name="l00380"></a><span class="lineno">  380</span>&#160;        }</div>
<div class="line"><a name="l00381"></a><span class="lineno">  381</span>&#160;        <span class="keywordflow">for</span> (i = 0; !dev; i++) {</div>
<div class="line"><a name="l00382"></a><span class="lineno">  382</span>&#160;            config = avcodec_get_hw_config(ist-&gt;<a class="code" href="../../d3/d6e/struct_input_stream.html#a6147a2f3e7cfec58b3f790dfc318e4bc">dec</a>, i);</div>
<div class="line"><a name="l00383"></a><span class="lineno">  383</span>&#160;            <span class="keywordflow">if</span> (!config)</div>
<div class="line"><a name="l00384"></a><span class="lineno">  384</span>&#160;                <span class="keywordflow">break</span>;</div>
<div class="line"><a name="l00385"></a><span class="lineno">  385</span>&#160;            type = config-&gt;device_type;</div>
<div class="line"><a name="l00386"></a><span class="lineno">  386</span>&#160;            <span class="comment">// Try to make a new device of this type.</span></div>
<div class="line"><a name="l00387"></a><span class="lineno">  387</span>&#160;            err = <a class="code" href="../../d1/dba/fftools__ffmpeg__hw_8c.html#ac2df78054133e8e90276b1d12af466da">hw_device_init_from_type</a>(type, ist-&gt;<a class="code" href="../../d3/d6e/struct_input_stream.html#ae48685e82826c6b5922014d47e2cb6bb">hwaccel_device</a>,</div>
<div class="line"><a name="l00388"></a><span class="lineno">  388</span>&#160;                                           &amp;dev);</div>
<div class="line"><a name="l00389"></a><span class="lineno">  389</span>&#160;            <span class="keywordflow">if</span> (err &lt; 0) {</div>
<div class="line"><a name="l00390"></a><span class="lineno">  390</span>&#160;                <span class="comment">// Can&#39;t make a device of this type.</span></div>
<div class="line"><a name="l00391"></a><span class="lineno">  391</span>&#160;                <span class="keywordflow">continue</span>;</div>
<div class="line"><a name="l00392"></a><span class="lineno">  392</span>&#160;            }</div>
<div class="line"><a name="l00393"></a><span class="lineno">  393</span>&#160;            <span class="keywordflow">if</span> (ist-&gt;<a class="code" href="../../d3/d6e/struct_input_stream.html#ae48685e82826c6b5922014d47e2cb6bb">hwaccel_device</a>) {</div>
<div class="line"><a name="l00394"></a><span class="lineno">  394</span>&#160;                av_log(ist-&gt;<a class="code" href="../../d3/d6e/struct_input_stream.html#a550ceee60cb995b284b52962dcba6597">dec_ctx</a>, AV_LOG_INFO, <span class="stringliteral">&quot;Using auto &quot;</span></div>
<div class="line"><a name="l00395"></a><span class="lineno">  395</span>&#160;                       <span class="stringliteral">&quot;hwaccel type %s with new device created &quot;</span></div>
<div class="line"><a name="l00396"></a><span class="lineno">  396</span>&#160;                       <span class="stringliteral">&quot;from %s.\n&quot;</span>, av_hwdevice_get_type_name(type),</div>
<div class="line"><a name="l00397"></a><span class="lineno">  397</span>&#160;                       ist-&gt;<a class="code" href="../../d3/d6e/struct_input_stream.html#ae48685e82826c6b5922014d47e2cb6bb">hwaccel_device</a>);</div>
<div class="line"><a name="l00398"></a><span class="lineno">  398</span>&#160;            } <span class="keywordflow">else</span> {</div>
<div class="line"><a name="l00399"></a><span class="lineno">  399</span>&#160;                av_log(ist-&gt;<a class="code" href="../../d3/d6e/struct_input_stream.html#a550ceee60cb995b284b52962dcba6597">dec_ctx</a>, AV_LOG_INFO, <span class="stringliteral">&quot;Using auto &quot;</span></div>
<div class="line"><a name="l00400"></a><span class="lineno">  400</span>&#160;                       <span class="stringliteral">&quot;hwaccel type %s with new default device.\n&quot;</span>,</div>
<div class="line"><a name="l00401"></a><span class="lineno">  401</span>&#160;                       av_hwdevice_get_type_name(type));</div>
<div class="line"><a name="l00402"></a><span class="lineno">  402</span>&#160;            }</div>
<div class="line"><a name="l00403"></a><span class="lineno">  403</span>&#160;        }</div>
<div class="line"><a name="l00404"></a><span class="lineno">  404</span>&#160;        <span class="keywordflow">if</span> (dev) {</div>
<div class="line"><a name="l00405"></a><span class="lineno">  405</span>&#160;            ist-&gt;<a class="code" href="../../d3/d6e/struct_input_stream.html#af577e45cb148e174ef437f3cbaa8b628">hwaccel_device_type</a> = type;</div>
<div class="line"><a name="l00406"></a><span class="lineno">  406</span>&#160;        } <span class="keywordflow">else</span> {</div>
<div class="line"><a name="l00407"></a><span class="lineno">  407</span>&#160;            av_log(ist-&gt;<a class="code" href="../../d3/d6e/struct_input_stream.html#a550ceee60cb995b284b52962dcba6597">dec_ctx</a>, AV_LOG_INFO, <span class="stringliteral">&quot;Auto hwaccel &quot;</span></div>
<div class="line"><a name="l00408"></a><span class="lineno">  408</span>&#160;                   <span class="stringliteral">&quot;disabled: no device found.\n&quot;</span>);</div>
<div class="line"><a name="l00409"></a><span class="lineno">  409</span>&#160;            ist-&gt;<a class="code" href="../../d3/d6e/struct_input_stream.html#a6c3473c28e30500adb3fa7886e6d7c3e">hwaccel_id</a> = <a class="code" href="../../d7/db3/fftools__ffmpeg_8h.html#a0804b6530666fd8d5f4e4193ee1d205fa293989c77f66e42d7477243815670be6">HWACCEL_NONE</a>;</div>
<div class="line"><a name="l00410"></a><span class="lineno">  410</span>&#160;            <span class="keywordflow">return</span> 0;</div>
<div class="line"><a name="l00411"></a><span class="lineno">  411</span>&#160;        }</div>
<div class="line"><a name="l00412"></a><span class="lineno">  412</span>&#160;    }</div>
<div class="line"><a name="l00413"></a><span class="lineno">  413</span>&#160; </div>
<div class="line"><a name="l00414"></a><span class="lineno">  414</span>&#160;    <span class="keywordflow">if</span> (!dev) {</div>
<div class="line"><a name="l00415"></a><span class="lineno">  415</span>&#160;        av_log(ist-&gt;<a class="code" href="../../d3/d6e/struct_input_stream.html#a550ceee60cb995b284b52962dcba6597">dec_ctx</a>, AV_LOG_ERROR, <span class="stringliteral">&quot;No device available &quot;</span></div>
<div class="line"><a name="l00416"></a><span class="lineno">  416</span>&#160;               <span class="stringliteral">&quot;for decoder: device type %s needed for codec %s.\n&quot;</span>,</div>
<div class="line"><a name="l00417"></a><span class="lineno">  417</span>&#160;               av_hwdevice_get_type_name(type), ist-&gt;<a class="code" href="../../d3/d6e/struct_input_stream.html#a6147a2f3e7cfec58b3f790dfc318e4bc">dec</a>-&gt;name);</div>
<div class="line"><a name="l00418"></a><span class="lineno">  418</span>&#160;        <span class="keywordflow">return</span> err;</div>
<div class="line"><a name="l00419"></a><span class="lineno">  419</span>&#160;    }</div>
<div class="line"><a name="l00420"></a><span class="lineno">  420</span>&#160; </div>
<div class="line"><a name="l00421"></a><span class="lineno">  421</span>&#160;    ist-&gt;<a class="code" href="../../d3/d6e/struct_input_stream.html#a550ceee60cb995b284b52962dcba6597">dec_ctx</a>-&gt;hw_device_ctx = av_buffer_ref(dev-&gt;<a class="code" href="../../de/dc7/struct_h_w_device.html#ac1615b160aa7dc0f2e314e04cea6aaf9">device_ref</a>);</div>
<div class="line"><a name="l00422"></a><span class="lineno">  422</span>&#160;    <span class="keywordflow">if</span> (!ist-&gt;<a class="code" href="../../d3/d6e/struct_input_stream.html#a550ceee60cb995b284b52962dcba6597">dec_ctx</a>-&gt;hw_device_ctx)</div>
<div class="line"><a name="l00423"></a><span class="lineno">  423</span>&#160;        <span class="keywordflow">return</span> AVERROR(ENOMEM);</div>
<div class="line"><a name="l00424"></a><span class="lineno">  424</span>&#160; </div>
<div class="line"><a name="l00425"></a><span class="lineno">  425</span>&#160;    <span class="keywordflow">return</span> 0;</div>
<div class="line"><a name="l00426"></a><span class="lineno">  426</span>&#160;}</div>
<div class="line"><a name="l00427"></a><span class="lineno">  427</span>&#160; </div>
<div class="line"><a name="l00428"></a><span class="lineno"><a class="line" href="../../d7/db3/fftools__ffmpeg_8h.html#a01128ebf95f6a3b130f446b13b171c52">  428</a></span>&#160;<span class="keywordtype">int</span> <a class="code" href="../../d1/dba/fftools__ffmpeg__hw_8c.html#a01128ebf95f6a3b130f446b13b171c52">hw_device_setup_for_encode</a>(<a class="code" href="../../db/dde/struct_output_stream.html">OutputStream</a> *ost)</div>
<div class="line"><a name="l00429"></a><span class="lineno">  429</span>&#160;{</div>
<div class="line"><a name="l00430"></a><span class="lineno">  430</span>&#160;    <span class="keyword">const</span> AVCodecHWConfig *config;</div>
<div class="line"><a name="l00431"></a><span class="lineno">  431</span>&#160;    <a class="code" href="../../de/dc7/struct_h_w_device.html">HWDevice</a> *dev = NULL;</div>
<div class="line"><a name="l00432"></a><span class="lineno">  432</span>&#160;    AVBufferRef *frames_ref = NULL;</div>
<div class="line"><a name="l00433"></a><span class="lineno">  433</span>&#160;    <span class="keywordtype">int</span> i;</div>
<div class="line"><a name="l00434"></a><span class="lineno">  434</span>&#160; </div>
<div class="line"><a name="l00435"></a><span class="lineno">  435</span>&#160;    <span class="keywordflow">if</span> (ost-&gt;<a class="code" href="../../db/dde/struct_output_stream.html#ad8926e7de923b3eeabd66770caacfe1e">filter</a>) {</div>
<div class="line"><a name="l00436"></a><span class="lineno">  436</span>&#160;        frames_ref = av_buffersink_get_hw_frames_ctx(ost-&gt;<a class="code" href="../../db/dde/struct_output_stream.html#ad8926e7de923b3eeabd66770caacfe1e">filter</a>-&gt;<a class="code" href="../../d0/d0f/struct_output_filter.html#a52b3bac2e051f48e5eabbff6a227881c">filter</a>);</div>
<div class="line"><a name="l00437"></a><span class="lineno">  437</span>&#160;        <span class="keywordflow">if</span> (frames_ref &amp;&amp;</div>
<div class="line"><a name="l00438"></a><span class="lineno">  438</span>&#160;            ((AVHWFramesContext*)frames_ref-&gt;data)-&gt;format ==</div>
<div class="line"><a name="l00439"></a><span class="lineno">  439</span>&#160;            ost-&gt;<a class="code" href="../../db/dde/struct_output_stream.html#ab7b674f9a0c60e3e02526d560a83f583">enc_ctx</a>-&gt;pix_fmt) {</div>
<div class="line"><a name="l00440"></a><span class="lineno">  440</span>&#160;            <span class="comment">// Matching format, will try to use hw_frames_ctx.</span></div>
<div class="line"><a name="l00441"></a><span class="lineno">  441</span>&#160;        } <span class="keywordflow">else</span> {</div>
<div class="line"><a name="l00442"></a><span class="lineno">  442</span>&#160;            frames_ref = NULL;</div>
<div class="line"><a name="l00443"></a><span class="lineno">  443</span>&#160;        }</div>
<div class="line"><a name="l00444"></a><span class="lineno">  444</span>&#160;    }</div>
<div class="line"><a name="l00445"></a><span class="lineno">  445</span>&#160; </div>
<div class="line"><a name="l00446"></a><span class="lineno">  446</span>&#160;    <span class="keywordflow">for</span> (i = 0;; i++) {</div>
<div class="line"><a name="l00447"></a><span class="lineno">  447</span>&#160;        config = avcodec_get_hw_config(ost-&gt;<a class="code" href="../../db/dde/struct_output_stream.html#ad314a1a8fad54930d177f0951f574ef2">enc</a>, i);</div>
<div class="line"><a name="l00448"></a><span class="lineno">  448</span>&#160;        <span class="keywordflow">if</span> (!config)</div>
<div class="line"><a name="l00449"></a><span class="lineno">  449</span>&#160;            <span class="keywordflow">break</span>;</div>
<div class="line"><a name="l00450"></a><span class="lineno">  450</span>&#160; </div>
<div class="line"><a name="l00451"></a><span class="lineno">  451</span>&#160;        <span class="keywordflow">if</span> (frames_ref &amp;&amp;</div>
<div class="line"><a name="l00452"></a><span class="lineno">  452</span>&#160;            config-&gt;methods &amp; AV_CODEC_HW_CONFIG_METHOD_HW_FRAMES_CTX &amp;&amp;</div>
<div class="line"><a name="l00453"></a><span class="lineno">  453</span>&#160;            (config-&gt;pix_fmt == AV_PIX_FMT_NONE ||</div>
<div class="line"><a name="l00454"></a><span class="lineno">  454</span>&#160;             config-&gt;pix_fmt == ost-&gt;<a class="code" href="../../db/dde/struct_output_stream.html#ab7b674f9a0c60e3e02526d560a83f583">enc_ctx</a>-&gt;pix_fmt)) {</div>
<div class="line"><a name="l00455"></a><span class="lineno">  455</span>&#160;            av_log(ost-&gt;<a class="code" href="../../db/dde/struct_output_stream.html#ab7b674f9a0c60e3e02526d560a83f583">enc_ctx</a>, AV_LOG_VERBOSE, <span class="stringliteral">&quot;Using input &quot;</span></div>
<div class="line"><a name="l00456"></a><span class="lineno">  456</span>&#160;                   <span class="stringliteral">&quot;frames context (format %s) with %s encoder.\n&quot;</span>,</div>
<div class="line"><a name="l00457"></a><span class="lineno">  457</span>&#160;                   av_get_pix_fmt_name(ost-&gt;<a class="code" href="../../db/dde/struct_output_stream.html#ab7b674f9a0c60e3e02526d560a83f583">enc_ctx</a>-&gt;pix_fmt),</div>
<div class="line"><a name="l00458"></a><span class="lineno">  458</span>&#160;                   ost-&gt;<a class="code" href="../../db/dde/struct_output_stream.html#ad314a1a8fad54930d177f0951f574ef2">enc</a>-&gt;name);</div>
<div class="line"><a name="l00459"></a><span class="lineno">  459</span>&#160;            ost-&gt;<a class="code" href="../../db/dde/struct_output_stream.html#ab7b674f9a0c60e3e02526d560a83f583">enc_ctx</a>-&gt;hw_frames_ctx = av_buffer_ref(frames_ref);</div>
<div class="line"><a name="l00460"></a><span class="lineno">  460</span>&#160;            <span class="keywordflow">if</span> (!ost-&gt;<a class="code" href="../../db/dde/struct_output_stream.html#ab7b674f9a0c60e3e02526d560a83f583">enc_ctx</a>-&gt;hw_frames_ctx)</div>
<div class="line"><a name="l00461"></a><span class="lineno">  461</span>&#160;                <span class="keywordflow">return</span> AVERROR(ENOMEM);</div>
<div class="line"><a name="l00462"></a><span class="lineno">  462</span>&#160;            <span class="keywordflow">return</span> 0;</div>
<div class="line"><a name="l00463"></a><span class="lineno">  463</span>&#160;        }</div>
<div class="line"><a name="l00464"></a><span class="lineno">  464</span>&#160; </div>
<div class="line"><a name="l00465"></a><span class="lineno">  465</span>&#160;        <span class="keywordflow">if</span> (!dev &amp;&amp;</div>
<div class="line"><a name="l00466"></a><span class="lineno">  466</span>&#160;            config-&gt;methods &amp; AV_CODEC_HW_CONFIG_METHOD_HW_DEVICE_CTX)</div>
<div class="line"><a name="l00467"></a><span class="lineno">  467</span>&#160;            dev = <a class="code" href="../../d1/dba/fftools__ffmpeg__hw_8c.html#ae9e48d5142d26822d8e0c5170248df02">hw_device_get_by_type</a>(config-&gt;device_type);</div>
<div class="line"><a name="l00468"></a><span class="lineno">  468</span>&#160;    }</div>
<div class="line"><a name="l00469"></a><span class="lineno">  469</span>&#160; </div>
<div class="line"><a name="l00470"></a><span class="lineno">  470</span>&#160;    <span class="keywordflow">if</span> (dev) {</div>
<div class="line"><a name="l00471"></a><span class="lineno">  471</span>&#160;        av_log(ost-&gt;<a class="code" href="../../db/dde/struct_output_stream.html#ab7b674f9a0c60e3e02526d560a83f583">enc_ctx</a>, AV_LOG_VERBOSE, <span class="stringliteral">&quot;Using device %s &quot;</span></div>
<div class="line"><a name="l00472"></a><span class="lineno">  472</span>&#160;               <span class="stringliteral">&quot;(type %s) with %s encoder.\n&quot;</span>, dev-&gt;<a class="code" href="../../de/dc7/struct_h_w_device.html#ae03ed8b14a9e341f1d8cc5fa37006656">name</a>,</div>
<div class="line"><a name="l00473"></a><span class="lineno">  473</span>&#160;               av_hwdevice_get_type_name(dev-&gt;<a class="code" href="../../de/dc7/struct_h_w_device.html#ad5294ac2b414deacbe2aac7b9c8ba987">type</a>), ost-&gt;<a class="code" href="../../db/dde/struct_output_stream.html#ad314a1a8fad54930d177f0951f574ef2">enc</a>-&gt;name);</div>
<div class="line"><a name="l00474"></a><span class="lineno">  474</span>&#160;        ost-&gt;<a class="code" href="../../db/dde/struct_output_stream.html#ab7b674f9a0c60e3e02526d560a83f583">enc_ctx</a>-&gt;hw_device_ctx = av_buffer_ref(dev-&gt;<a class="code" href="../../de/dc7/struct_h_w_device.html#ac1615b160aa7dc0f2e314e04cea6aaf9">device_ref</a>);</div>
<div class="line"><a name="l00475"></a><span class="lineno">  475</span>&#160;        <span class="keywordflow">if</span> (!ost-&gt;<a class="code" href="../../db/dde/struct_output_stream.html#ab7b674f9a0c60e3e02526d560a83f583">enc_ctx</a>-&gt;hw_device_ctx)</div>
<div class="line"><a name="l00476"></a><span class="lineno">  476</span>&#160;            <span class="keywordflow">return</span> AVERROR(ENOMEM);</div>
<div class="line"><a name="l00477"></a><span class="lineno">  477</span>&#160;    } <span class="keywordflow">else</span> {</div>
<div class="line"><a name="l00478"></a><span class="lineno">  478</span>&#160;        <span class="comment">// No device required, or no device available.</span></div>
<div class="line"><a name="l00479"></a><span class="lineno">  479</span>&#160;    }</div>
<div class="line"><a name="l00480"></a><span class="lineno">  480</span>&#160;    <span class="keywordflow">return</span> 0;</div>
<div class="line"><a name="l00481"></a><span class="lineno">  481</span>&#160;}</div>
<div class="line"><a name="l00482"></a><span class="lineno">  482</span>&#160; </div>
<div class="line"><a name="l00483"></a><span class="lineno"><a class="line" href="../../d1/dba/fftools__ffmpeg__hw_8c.html#a5a881e2fd908765c2df11400a6c0c7d9">  483</a></span>&#160;<span class="keyword">static</span> <span class="keywordtype">int</span> <a class="code" href="../../d1/dba/fftools__ffmpeg__hw_8c.html#a5a881e2fd908765c2df11400a6c0c7d9">hwaccel_retrieve_data</a>(AVCodecContext *avctx, AVFrame *input)</div>
<div class="line"><a name="l00484"></a><span class="lineno">  484</span>&#160;{</div>
<div class="line"><a name="l00485"></a><span class="lineno">  485</span>&#160;    <a class="code" href="../../d3/d6e/struct_input_stream.html">InputStream</a> *ist = avctx-&gt;opaque;</div>
<div class="line"><a name="l00486"></a><span class="lineno">  486</span>&#160;    AVFrame *output = NULL;</div>
<div class="line"><a name="l00487"></a><span class="lineno">  487</span>&#160;    <span class="keyword">enum</span> AVPixelFormat output_format = ist-&gt;<a class="code" href="../../d3/d6e/struct_input_stream.html#a252184ceda81f2d65f63f0470b877bd4">hwaccel_output_format</a>;</div>
<div class="line"><a name="l00488"></a><span class="lineno">  488</span>&#160;    <span class="keywordtype">int</span> err;</div>
<div class="line"><a name="l00489"></a><span class="lineno">  489</span>&#160; </div>
<div class="line"><a name="l00490"></a><span class="lineno">  490</span>&#160;    <span class="keywordflow">if</span> (input-&gt;format == output_format) {</div>
<div class="line"><a name="l00491"></a><span class="lineno">  491</span>&#160;        <span class="comment">// Nothing to do.</span></div>
<div class="line"><a name="l00492"></a><span class="lineno">  492</span>&#160;        <span class="keywordflow">return</span> 0;</div>
<div class="line"><a name="l00493"></a><span class="lineno">  493</span>&#160;    }</div>
<div class="line"><a name="l00494"></a><span class="lineno">  494</span>&#160; </div>
<div class="line"><a name="l00495"></a><span class="lineno">  495</span>&#160;    output = av_frame_alloc();</div>
<div class="line"><a name="l00496"></a><span class="lineno">  496</span>&#160;    <span class="keywordflow">if</span> (!output)</div>
<div class="line"><a name="l00497"></a><span class="lineno">  497</span>&#160;        <span class="keywordflow">return</span> AVERROR(ENOMEM);</div>
<div class="line"><a name="l00498"></a><span class="lineno">  498</span>&#160; </div>
<div class="line"><a name="l00499"></a><span class="lineno">  499</span>&#160;    output-&gt;format = output_format;</div>
<div class="line"><a name="l00500"></a><span class="lineno">  500</span>&#160; </div>
<div class="line"><a name="l00501"></a><span class="lineno">  501</span>&#160;    err = av_hwframe_transfer_data(output, input, 0);</div>
<div class="line"><a name="l00502"></a><span class="lineno">  502</span>&#160;    <span class="keywordflow">if</span> (err &lt; 0) {</div>
<div class="line"><a name="l00503"></a><span class="lineno">  503</span>&#160;        av_log(avctx, AV_LOG_ERROR, <span class="stringliteral">&quot;Failed to transfer data to &quot;</span></div>
<div class="line"><a name="l00504"></a><span class="lineno">  504</span>&#160;               <span class="stringliteral">&quot;output frame: %d.\n&quot;</span>, err);</div>
<div class="line"><a name="l00505"></a><span class="lineno">  505</span>&#160;        <span class="keywordflow">goto</span> fail;</div>
<div class="line"><a name="l00506"></a><span class="lineno">  506</span>&#160;    }</div>
<div class="line"><a name="l00507"></a><span class="lineno">  507</span>&#160; </div>
<div class="line"><a name="l00508"></a><span class="lineno">  508</span>&#160;    err = av_frame_copy_props(output, input);</div>
<div class="line"><a name="l00509"></a><span class="lineno">  509</span>&#160;    <span class="keywordflow">if</span> (err &lt; 0) {</div>
<div class="line"><a name="l00510"></a><span class="lineno">  510</span>&#160;        av_frame_unref(output);</div>
<div class="line"><a name="l00511"></a><span class="lineno">  511</span>&#160;        <span class="keywordflow">goto</span> fail;</div>
<div class="line"><a name="l00512"></a><span class="lineno">  512</span>&#160;    }</div>
<div class="line"><a name="l00513"></a><span class="lineno">  513</span>&#160; </div>
<div class="line"><a name="l00514"></a><span class="lineno">  514</span>&#160;    av_frame_unref(input);</div>
<div class="line"><a name="l00515"></a><span class="lineno">  515</span>&#160;    av_frame_move_ref(input, output);</div>
<div class="line"><a name="l00516"></a><span class="lineno">  516</span>&#160;    av_frame_free(&amp;output);</div>
<div class="line"><a name="l00517"></a><span class="lineno">  517</span>&#160; </div>
<div class="line"><a name="l00518"></a><span class="lineno">  518</span>&#160;    <span class="keywordflow">return</span> 0;</div>
<div class="line"><a name="l00519"></a><span class="lineno">  519</span>&#160; </div>
<div class="line"><a name="l00520"></a><span class="lineno">  520</span>&#160;fail:</div>
<div class="line"><a name="l00521"></a><span class="lineno">  521</span>&#160;    av_frame_free(&amp;output);</div>
<div class="line"><a name="l00522"></a><span class="lineno">  522</span>&#160;    <span class="keywordflow">return</span> err;</div>
<div class="line"><a name="l00523"></a><span class="lineno">  523</span>&#160;}</div>
<div class="line"><a name="l00524"></a><span class="lineno">  524</span>&#160; </div>
<div class="line"><a name="l00525"></a><span class="lineno"><a class="line" href="../../d7/db3/fftools__ffmpeg_8h.html#a518f7a9a1bd1b5544a39fdbd1d925663">  525</a></span>&#160;<span class="keywordtype">int</span> <a class="code" href="../../d1/dba/fftools__ffmpeg__hw_8c.html#a518f7a9a1bd1b5544a39fdbd1d925663">hwaccel_decode_init</a>(AVCodecContext *avctx)</div>
<div class="line"><a name="l00526"></a><span class="lineno">  526</span>&#160;{</div>
<div class="line"><a name="l00527"></a><span class="lineno">  527</span>&#160;    <a class="code" href="../../d3/d6e/struct_input_stream.html">InputStream</a> *ist = avctx-&gt;opaque;</div>
<div class="line"><a name="l00528"></a><span class="lineno">  528</span>&#160; </div>
<div class="line"><a name="l00529"></a><span class="lineno">  529</span>&#160;    ist-&gt;<a class="code" href="../../d3/d6e/struct_input_stream.html#ad983487b3e7c29f53bb3336190f14051">hwaccel_retrieve_data</a> = &amp;<a class="code" href="../../d1/dba/fftools__ffmpeg__hw_8c.html#a5a881e2fd908765c2df11400a6c0c7d9">hwaccel_retrieve_data</a>;</div>
<div class="line"><a name="l00530"></a><span class="lineno">  530</span>&#160; </div>
<div class="line"><a name="l00531"></a><span class="lineno">  531</span>&#160;    <span class="keywordflow">return</span> 0;</div>
<div class="line"><a name="l00532"></a><span class="lineno">  532</span>&#160;}</div>
<div class="line"><a name="l00533"></a><span class="lineno">  533</span>&#160; </div>
<div class="line"><a name="l00534"></a><span class="lineno"><a class="line" href="../../d7/db3/fftools__ffmpeg_8h.html#a801831a4517a8db980bbf18c6db58cad">  534</a></span>&#160;<span class="keywordtype">int</span> <a class="code" href="../../d1/dba/fftools__ffmpeg__hw_8c.html#a801831a4517a8db980bbf18c6db58cad">hw_device_setup_for_filter</a>(<a class="code" href="../../d9/de7/struct_filter_graph.html">FilterGraph</a> *fg)</div>
<div class="line"><a name="l00535"></a><span class="lineno">  535</span>&#160;{</div>
<div class="line"><a name="l00536"></a><span class="lineno">  536</span>&#160;    <a class="code" href="../../de/dc7/struct_h_w_device.html">HWDevice</a> *dev;</div>
<div class="line"><a name="l00537"></a><span class="lineno">  537</span>&#160;    <span class="keywordtype">int</span> i;</div>
<div class="line"><a name="l00538"></a><span class="lineno">  538</span>&#160; </div>
<div class="line"><a name="l00539"></a><span class="lineno">  539</span>&#160;    <span class="comment">// If the user has supplied exactly one hardware device then just</span></div>
<div class="line"><a name="l00540"></a><span class="lineno">  540</span>&#160;    <span class="comment">// give it straight to every filter for convenience.  If more than</span></div>
<div class="line"><a name="l00541"></a><span class="lineno">  541</span>&#160;    <span class="comment">// one device is available then the user needs to pick one explcitly</span></div>
<div class="line"><a name="l00542"></a><span class="lineno">  542</span>&#160;    <span class="comment">// with the filter_hw_device option.</span></div>
<div class="line"><a name="l00543"></a><span class="lineno">  543</span>&#160;    <span class="keywordflow">if</span> (<a class="code" href="../../d7/db3/fftools__ffmpeg_8h.html#ab91a5aa23dd763d88ff7cfedeadca8a4">filter_hw_device</a>)</div>
<div class="line"><a name="l00544"></a><span class="lineno">  544</span>&#160;        dev = <a class="code" href="../../d7/db3/fftools__ffmpeg_8h.html#ab91a5aa23dd763d88ff7cfedeadca8a4">filter_hw_device</a>;</div>
<div class="line"><a name="l00545"></a><span class="lineno">  545</span>&#160;    <span class="keywordflow">else</span> <span class="keywordflow">if</span> (<a class="code" href="../../d1/dba/fftools__ffmpeg__hw_8c.html#acea1bac2a399307791945b15467b1f75">nb_hw_devices</a> == 1)</div>
<div class="line"><a name="l00546"></a><span class="lineno">  546</span>&#160;        dev = <a class="code" href="../../d1/dba/fftools__ffmpeg__hw_8c.html#ad66ab6371d9721a18af13707d8b2735c">hw_devices</a>[0];</div>
<div class="line"><a name="l00547"></a><span class="lineno">  547</span>&#160;    <span class="keywordflow">else</span></div>
<div class="line"><a name="l00548"></a><span class="lineno">  548</span>&#160;        dev = NULL;</div>
<div class="line"><a name="l00549"></a><span class="lineno">  549</span>&#160; </div>
<div class="line"><a name="l00550"></a><span class="lineno">  550</span>&#160;    <span class="keywordflow">if</span> (dev) {</div>
<div class="line"><a name="l00551"></a><span class="lineno">  551</span>&#160;        <span class="keywordflow">for</span> (i = 0; i &lt; fg-&gt;<a class="code" href="../../d9/de7/struct_filter_graph.html#ae222203d54c99d90f4308f5fd2285ee5">graph</a>-&gt;nb_filters; i++) {</div>
<div class="line"><a name="l00552"></a><span class="lineno">  552</span>&#160;            fg-&gt;<a class="code" href="../../d9/de7/struct_filter_graph.html#ae222203d54c99d90f4308f5fd2285ee5">graph</a>-&gt;filters[i]-&gt;hw_device_ctx =</div>
<div class="line"><a name="l00553"></a><span class="lineno">  553</span>&#160;                av_buffer_ref(dev-&gt;<a class="code" href="../../de/dc7/struct_h_w_device.html#ac1615b160aa7dc0f2e314e04cea6aaf9">device_ref</a>);</div>
<div class="line"><a name="l00554"></a><span class="lineno">  554</span>&#160;            <span class="keywordflow">if</span> (!fg-&gt;<a class="code" href="../../d9/de7/struct_filter_graph.html#ae222203d54c99d90f4308f5fd2285ee5">graph</a>-&gt;filters[i]-&gt;hw_device_ctx)</div>
<div class="line"><a name="l00555"></a><span class="lineno">  555</span>&#160;                <span class="keywordflow">return</span> AVERROR(ENOMEM);</div>
<div class="line"><a name="l00556"></a><span class="lineno">  556</span>&#160;        }</div>
<div class="line"><a name="l00557"></a><span class="lineno">  557</span>&#160;    }</div>
<div class="line"><a name="l00558"></a><span class="lineno">  558</span>&#160; </div>
<div class="line"><a name="l00559"></a><span class="lineno">  559</span>&#160;    <span class="keywordflow">return</span> 0;</div>
<div class="line"><a name="l00560"></a><span class="lineno">  560</span>&#160;}</div>
<div class="ttc" id="afftools__ffmpeg_8h_html"><div class="ttname"><a href="../../d7/db3/fftools__ffmpeg_8h.html">fftools_ffmpeg.h</a></div></div>
<div class="ttc" id="afftools__ffmpeg_8h_html_a0804b6530666fd8d5f4e4193ee1d205fa293989c77f66e42d7477243815670be6"><div class="ttname"><a href="../../d7/db3/fftools__ffmpeg_8h.html#a0804b6530666fd8d5f4e4193ee1d205fa293989c77f66e42d7477243815670be6">HWACCEL_NONE</a></div><div class="ttdeci">@ HWACCEL_NONE</div><div class="ttdef"><b>Definition:</b> <a href="../../d7/db3/fftools__ffmpeg_8h_source.html#l00082">fftools_ffmpeg.h:82</a></div></div>
<div class="ttc" id="afftools__ffmpeg_8h_html_a0804b6530666fd8d5f4e4193ee1d205fab96d67115af909300a442d76232c0362"><div class="ttname"><a href="../../d7/db3/fftools__ffmpeg_8h.html#a0804b6530666fd8d5f4e4193ee1d205fab96d67115af909300a442d76232c0362">HWACCEL_GENERIC</a></div><div class="ttdeci">@ HWACCEL_GENERIC</div><div class="ttdef"><b>Definition:</b> <a href="../../d7/db3/fftools__ffmpeg_8h_source.html#l00084">fftools_ffmpeg.h:84</a></div></div>
<div class="ttc" id="afftools__ffmpeg_8h_html_a0804b6530666fd8d5f4e4193ee1d205faf30c0c6c4434db4f22346cdcbd909a02"><div class="ttname"><a href="../../d7/db3/fftools__ffmpeg_8h.html#a0804b6530666fd8d5f4e4193ee1d205faf30c0c6c4434db4f22346cdcbd909a02">HWACCEL_AUTO</a></div><div class="ttdeci">@ HWACCEL_AUTO</div><div class="ttdef"><b>Definition:</b> <a href="../../d7/db3/fftools__ffmpeg_8h_source.html#l00083">fftools_ffmpeg.h:83</a></div></div>
<div class="ttc" id="afftools__ffmpeg_8h_html_ab91a5aa23dd763d88ff7cfedeadca8a4"><div class="ttname"><a href="../../d7/db3/fftools__ffmpeg_8h.html#ab91a5aa23dd763d88ff7cfedeadca8a4">filter_hw_device</a></div><div class="ttdeci">__thread HWDevice * filter_hw_device</div><div class="ttdef"><b>Definition:</b> <a href="../../da/d66/fftools__ffmpeg__opt_8c_source.html#l00163">fftools_ffmpeg_opt.c:163</a></div></div>
<div class="ttc" id="afftools__ffmpeg__hw_8c_html_a01128ebf95f6a3b130f446b13b171c52"><div class="ttname"><a href="../../d1/dba/fftools__ffmpeg__hw_8c.html#a01128ebf95f6a3b130f446b13b171c52">hw_device_setup_for_encode</a></div><div class="ttdeci">int hw_device_setup_for_encode(OutputStream *ost)</div><div class="ttdef"><b>Definition:</b> <a href="../../d1/dba/fftools__ffmpeg__hw_8c_source.html#l00428">fftools_ffmpeg_hw.c:428</a></div></div>
<div class="ttc" id="afftools__ffmpeg__hw_8c_html_a27d1714061bcef2cc6c6ef59c2b54bd3"><div class="ttname"><a href="../../d1/dba/fftools__ffmpeg__hw_8c.html#a27d1714061bcef2cc6c6ef59c2b54bd3">hw_device_add</a></div><div class="ttdeci">static HWDevice * hw_device_add(void)</div><div class="ttdef"><b>Definition:</b> <a href="../../d1/dba/fftools__ffmpeg__hw_8c_source.html#l00063">fftools_ffmpeg_hw.c:63</a></div></div>
<div class="ttc" id="afftools__ffmpeg__hw_8c_html_a2ff6a6bf8a6713b6d9218d5ad537e72b"><div class="ttname"><a href="../../d1/dba/fftools__ffmpeg__hw_8c.html#a2ff6a6bf8a6713b6d9218d5ad537e72b">hw_device_default_name</a></div><div class="ttdeci">static char * hw_device_default_name(enum AVHWDeviceType type)</div><div class="ttdef"><b>Definition:</b> <a href="../../d1/dba/fftools__ffmpeg__hw_8c_source.html#l00078">fftools_ffmpeg_hw.c:78</a></div></div>
<div class="ttc" id="afftools__ffmpeg__hw_8c_html_a3fdd5667b2f22f69baa2f711b13537fb"><div class="ttname"><a href="../../d1/dba/fftools__ffmpeg__hw_8c.html#a3fdd5667b2f22f69baa2f711b13537fb">hw_device_init_from_string</a></div><div class="ttdeci">int hw_device_init_from_string(const char *arg, HWDevice **dev_out)</div><div class="ttdef"><b>Definition:</b> <a href="../../d1/dba/fftools__ffmpeg__hw_8c_source.html#l00103">fftools_ffmpeg_hw.c:103</a></div></div>
<div class="ttc" id="afftools__ffmpeg__hw_8c_html_a518f7a9a1bd1b5544a39fdbd1d925663"><div class="ttname"><a href="../../d1/dba/fftools__ffmpeg__hw_8c.html#a518f7a9a1bd1b5544a39fdbd1d925663">hwaccel_decode_init</a></div><div class="ttdeci">int hwaccel_decode_init(AVCodecContext *avctx)</div><div class="ttdef"><b>Definition:</b> <a href="../../d1/dba/fftools__ffmpeg__hw_8c_source.html#l00525">fftools_ffmpeg_hw.c:525</a></div></div>
<div class="ttc" id="afftools__ffmpeg__hw_8c_html_a5a881e2fd908765c2df11400a6c0c7d9"><div class="ttname"><a href="../../d1/dba/fftools__ffmpeg__hw_8c.html#a5a881e2fd908765c2df11400a6c0c7d9">hwaccel_retrieve_data</a></div><div class="ttdeci">static int hwaccel_retrieve_data(AVCodecContext *avctx, AVFrame *input)</div><div class="ttdef"><b>Definition:</b> <a href="../../d1/dba/fftools__ffmpeg__hw_8c_source.html#l00483">fftools_ffmpeg_hw.c:483</a></div></div>
<div class="ttc" id="afftools__ffmpeg__hw_8c_html_a77e8d12a4bdb9110a2d815b9aa5f8d02"><div class="ttname"><a href="../../d1/dba/fftools__ffmpeg__hw_8c.html#a77e8d12a4bdb9110a2d815b9aa5f8d02">hw_device_setup_for_decode</a></div><div class="ttdeci">int hw_device_setup_for_decode(InputStream *ist)</div><div class="ttdef"><b>Definition:</b> <a href="../../d1/dba/fftools__ffmpeg__hw_8c_source.html#l00312">fftools_ffmpeg_hw.c:312</a></div></div>
<div class="ttc" id="afftools__ffmpeg__hw_8c_html_a7b352c0afc44da703891d7538bbcf737"><div class="ttname"><a href="../../d1/dba/fftools__ffmpeg__hw_8c.html#a7b352c0afc44da703891d7538bbcf737">hw_device_free_all</a></div><div class="ttdeci">void hw_device_free_all(void)</div><div class="ttdef"><b>Definition:</b> <a href="../../d1/dba/fftools__ffmpeg__hw_8c_source.html#l00283">fftools_ffmpeg_hw.c:283</a></div></div>
<div class="ttc" id="afftools__ffmpeg__hw_8c_html_a801831a4517a8db980bbf18c6db58cad"><div class="ttname"><a href="../../d1/dba/fftools__ffmpeg__hw_8c.html#a801831a4517a8db980bbf18c6db58cad">hw_device_setup_for_filter</a></div><div class="ttdeci">int hw_device_setup_for_filter(FilterGraph *fg)</div><div class="ttdef"><b>Definition:</b> <a href="../../d1/dba/fftools__ffmpeg__hw_8c_source.html#l00534">fftools_ffmpeg_hw.c:534</a></div></div>
<div class="ttc" id="afftools__ffmpeg__hw_8c_html_ac2df78054133e8e90276b1d12af466da"><div class="ttname"><a href="../../d1/dba/fftools__ffmpeg__hw_8c.html#ac2df78054133e8e90276b1d12af466da">hw_device_init_from_type</a></div><div class="ttdeci">static int hw_device_init_from_type(enum AVHWDeviceType type, const char *device, HWDevice **dev_out)</div><div class="ttdef"><b>Definition:</b> <a href="../../d1/dba/fftools__ffmpeg__hw_8c_source.html#l00240">fftools_ffmpeg_hw.c:240</a></div></div>
<div class="ttc" id="afftools__ffmpeg__hw_8c_html_acea1bac2a399307791945b15467b1f75"><div class="ttname"><a href="../../d1/dba/fftools__ffmpeg__hw_8c.html#acea1bac2a399307791945b15467b1f75">nb_hw_devices</a></div><div class="ttdeci">__thread int nb_hw_devices</div><div class="ttdef"><b>Definition:</b> <a href="../../d1/dba/fftools__ffmpeg__hw_8c_source.html#l00036">fftools_ffmpeg_hw.c:36</a></div></div>
<div class="ttc" id="afftools__ffmpeg__hw_8c_html_ad66ab6371d9721a18af13707d8b2735c"><div class="ttname"><a href="../../d1/dba/fftools__ffmpeg__hw_8c.html#ad66ab6371d9721a18af13707d8b2735c">hw_devices</a></div><div class="ttdeci">__thread HWDevice ** hw_devices</div><div class="ttdef"><b>Definition:</b> <a href="../../d1/dba/fftools__ffmpeg__hw_8c_source.html#l00037">fftools_ffmpeg_hw.c:37</a></div></div>
<div class="ttc" id="afftools__ffmpeg__hw_8c_html_ae46735072274c02ae8a17b80b8faa4dd"><div class="ttname"><a href="../../d1/dba/fftools__ffmpeg__hw_8c.html#ae46735072274c02ae8a17b80b8faa4dd">hw_device_get_by_name</a></div><div class="ttdeci">HWDevice * hw_device_get_by_name(const char *name)</div><div class="ttdef"><b>Definition:</b> <a href="../../d1/dba/fftools__ffmpeg__hw_8c_source.html#l00053">fftools_ffmpeg_hw.c:53</a></div></div>
<div class="ttc" id="afftools__ffmpeg__hw_8c_html_ae9e48d5142d26822d8e0c5170248df02"><div class="ttname"><a href="../../d1/dba/fftools__ffmpeg__hw_8c.html#ae9e48d5142d26822d8e0c5170248df02">hw_device_get_by_type</a></div><div class="ttdeci">static HWDevice * hw_device_get_by_type(enum AVHWDeviceType type)</div><div class="ttdef"><b>Definition:</b> <a href="../../d1/dba/fftools__ffmpeg__hw_8c_source.html#l00039">fftools_ffmpeg_hw.c:39</a></div></div>
<div class="ttc" id="afftools__ffmpeg__hw_8c_html_af9f7b75f708b69b75bf8ca4e980114af"><div class="ttname"><a href="../../d1/dba/fftools__ffmpeg__hw_8c.html#af9f7b75f708b69b75bf8ca4e980114af">hw_device_match_by_codec</a></div><div class="ttdeci">static HWDevice * hw_device_match_by_codec(const AVCodec *codec)</div><div class="ttdef"><b>Definition:</b> <a href="../../d1/dba/fftools__ffmpeg__hw_8c_source.html#l00295">fftools_ffmpeg_hw.c:295</a></div></div>
<div class="ttc" id="astruct_filter_graph_html"><div class="ttname"><a href="../../d9/de7/struct_filter_graph.html">FilterGraph</a></div><div class="ttdef"><b>Definition:</b> <a href="../../d7/db3/fftools__ffmpeg_8h_source.html#l00310">fftools_ffmpeg.h:310</a></div></div>
<div class="ttc" id="astruct_filter_graph_html_ae222203d54c99d90f4308f5fd2285ee5"><div class="ttname"><a href="../../d9/de7/struct_filter_graph.html#ae222203d54c99d90f4308f5fd2285ee5">FilterGraph::graph</a></div><div class="ttdeci">AVFilterGraph * graph</div><div class="ttdef"><b>Definition:</b> <a href="../../d7/db3/fftools__ffmpeg_8h_source.html#l00314">fftools_ffmpeg.h:314</a></div></div>
<div class="ttc" id="astruct_h_w_device_html"><div class="ttname"><a href="../../de/dc7/struct_h_w_device.html">HWDevice</a></div><div class="ttdef"><b>Definition:</b> <a href="../../d7/db3/fftools__ffmpeg_8h_source.html#l00096">fftools_ffmpeg.h:96</a></div></div>
<div class="ttc" id="astruct_h_w_device_html_ac1615b160aa7dc0f2e314e04cea6aaf9"><div class="ttname"><a href="../../de/dc7/struct_h_w_device.html#ac1615b160aa7dc0f2e314e04cea6aaf9">HWDevice::device_ref</a></div><div class="ttdeci">AVBufferRef * device_ref</div><div class="ttdef"><b>Definition:</b> <a href="../../d7/db3/fftools__ffmpeg_8h_source.html#l00099">fftools_ffmpeg.h:99</a></div></div>
<div class="ttc" id="astruct_h_w_device_html_ad5294ac2b414deacbe2aac7b9c8ba987"><div class="ttname"><a href="../../de/dc7/struct_h_w_device.html#ad5294ac2b414deacbe2aac7b9c8ba987">HWDevice::type</a></div><div class="ttdeci">enum AVHWDeviceType type</div><div class="ttdef"><b>Definition:</b> <a href="../../d7/db3/fftools__ffmpeg_8h_source.html#l00097">fftools_ffmpeg.h:98</a></div></div>
<div class="ttc" id="astruct_h_w_device_html_ae03ed8b14a9e341f1d8cc5fa37006656"><div class="ttname"><a href="../../de/dc7/struct_h_w_device.html#ae03ed8b14a9e341f1d8cc5fa37006656">HWDevice::name</a></div><div class="ttdeci">const char * name</div><div class="ttdef"><b>Definition:</b> <a href="../../d7/db3/fftools__ffmpeg_8h_source.html#l00097">fftools_ffmpeg.h:97</a></div></div>
<div class="ttc" id="astruct_input_stream_html"><div class="ttname"><a href="../../d3/d6e/struct_input_stream.html">InputStream</a></div><div class="ttdef"><b>Definition:</b> <a href="../../d7/db3/fftools__ffmpeg_8h_source.html#l00323">fftools_ffmpeg.h:323</a></div></div>
<div class="ttc" id="astruct_input_stream_html_a252184ceda81f2d65f63f0470b877bd4"><div class="ttname"><a href="../../d3/d6e/struct_input_stream.html#a252184ceda81f2d65f63f0470b877bd4">InputStream::hwaccel_output_format</a></div><div class="ttdeci">enum AVPixelFormat hwaccel_output_format</div><div class="ttdef"><b>Definition:</b> <a href="../../d7/db3/fftools__ffmpeg_8h_source.html#l00395">fftools_ffmpeg.h:396</a></div></div>
<div class="ttc" id="astruct_input_stream_html_a550ceee60cb995b284b52962dcba6597"><div class="ttname"><a href="../../d3/d6e/struct_input_stream.html#a550ceee60cb995b284b52962dcba6597">InputStream::dec_ctx</a></div><div class="ttdeci">AVCodecContext * dec_ctx</div><div class="ttdef"><b>Definition:</b> <a href="../../d7/db3/fftools__ffmpeg_8h_source.html#l00332">fftools_ffmpeg.h:332</a></div></div>
<div class="ttc" id="astruct_input_stream_html_a6147a2f3e7cfec58b3f790dfc318e4bc"><div class="ttname"><a href="../../d3/d6e/struct_input_stream.html#a6147a2f3e7cfec58b3f790dfc318e4bc">InputStream::dec</a></div><div class="ttdeci">AVCodec * dec</div><div class="ttdef"><b>Definition:</b> <a href="../../d7/db3/fftools__ffmpeg_8h_source.html#l00333">fftools_ffmpeg.h:333</a></div></div>
<div class="ttc" id="astruct_input_stream_html_a6c3473c28e30500adb3fa7886e6d7c3e"><div class="ttname"><a href="../../d3/d6e/struct_input_stream.html#a6c3473c28e30500adb3fa7886e6d7c3e">InputStream::hwaccel_id</a></div><div class="ttdeci">enum HWAccelID hwaccel_id</div><div class="ttdef"><b>Definition:</b> <a href="../../d7/db3/fftools__ffmpeg_8h_source.html#l00390">fftools_ffmpeg.h:393</a></div></div>
<div class="ttc" id="astruct_input_stream_html_ad983487b3e7c29f53bb3336190f14051"><div class="ttname"><a href="../../d3/d6e/struct_input_stream.html#ad983487b3e7c29f53bb3336190f14051">InputStream::hwaccel_retrieve_data</a></div><div class="ttdeci">int(* hwaccel_retrieve_data)(AVCodecContext *s, AVFrame *frame)</div><div class="ttdef"><b>Definition:</b> <a href="../../d7/db3/fftools__ffmpeg_8h_source.html#l00402">fftools_ffmpeg.h:402</a></div></div>
<div class="ttc" id="astruct_input_stream_html_ae48685e82826c6b5922014d47e2cb6bb"><div class="ttname"><a href="../../d3/d6e/struct_input_stream.html#ae48685e82826c6b5922014d47e2cb6bb">InputStream::hwaccel_device</a></div><div class="ttdeci">char * hwaccel_device</div><div class="ttdef"><b>Definition:</b> <a href="../../d7/db3/fftools__ffmpeg_8h_source.html#l00395">fftools_ffmpeg.h:395</a></div></div>
<div class="ttc" id="astruct_input_stream_html_af577e45cb148e174ef437f3cbaa8b628"><div class="ttname"><a href="../../d3/d6e/struct_input_stream.html#af577e45cb148e174ef437f3cbaa8b628">InputStream::hwaccel_device_type</a></div><div class="ttdeci">enum AVHWDeviceType hwaccel_device_type</div><div class="ttdef"><b>Definition:</b> <a href="../../d7/db3/fftools__ffmpeg_8h_source.html#l00390">fftools_ffmpeg.h:394</a></div></div>
<div class="ttc" id="astruct_output_filter_html_a52b3bac2e051f48e5eabbff6a227881c"><div class="ttname"><a href="../../d0/d0f/struct_output_filter.html#a52b3bac2e051f48e5eabbff6a227881c">OutputFilter::filter</a></div><div class="ttdeci">AVFilterContext * filter</div><div class="ttdef"><b>Definition:</b> <a href="../../d7/db3/fftools__ffmpeg_8h_source.html#l00288">fftools_ffmpeg.h:288</a></div></div>
<div class="ttc" id="astruct_output_stream_html"><div class="ttname"><a href="../../db/dde/struct_output_stream.html">OutputStream</a></div><div class="ttdef"><b>Definition:</b> <a href="../../d7/db3/fftools__ffmpeg_8h_source.html#l00472">fftools_ffmpeg.h:472</a></div></div>
<div class="ttc" id="astruct_output_stream_html_ab7b674f9a0c60e3e02526d560a83f583"><div class="ttname"><a href="../../db/dde/struct_output_stream.html#ab7b674f9a0c60e3e02526d560a83f583">OutputStream::enc_ctx</a></div><div class="ttdeci">AVCodecContext * enc_ctx</div><div class="ttdef"><b>Definition:</b> <a href="../../d7/db3/fftools__ffmpeg_8h_source.html#l00494">fftools_ffmpeg.h:494</a></div></div>
<div class="ttc" id="astruct_output_stream_html_ad314a1a8fad54930d177f0951f574ef2"><div class="ttname"><a href="../../db/dde/struct_output_stream.html#ad314a1a8fad54930d177f0951f574ef2">OutputStream::enc</a></div><div class="ttdeci">AVCodec * enc</div><div class="ttdef"><b>Definition:</b> <a href="../../d7/db3/fftools__ffmpeg_8h_source.html#l00496">fftools_ffmpeg.h:496</a></div></div>
<div class="ttc" id="astruct_output_stream_html_ad8926e7de923b3eeabd66770caacfe1e"><div class="ttname"><a href="../../db/dde/struct_output_stream.html#ad8926e7de923b3eeabd66770caacfe1e">OutputStream::filter</a></div><div class="ttdeci">OutputFilter * filter</div><div class="ttdef"><b>Definition:</b> <a href="../../d7/db3/fftools__ffmpeg_8h_source.html#l00533">fftools_ffmpeg.h:533</a></div></div>
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